Studies by Topic - ClinicalTrials.gov


Main Category: Conditions, Alphabetic (A-Z)

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Aase Syndrome 19 studies Abdomen, Acute 3 studies Abdominal Abscess 9 studies Abdominal Aortic Aneurysm 61 studies Abdominal Injuries 3 studies Abdominal Neoplasms 284 studies Abdominal Obesity Metabolic Syndrome 97 studies Abdominal Pain 64 studies Abetalipoproteinemia 2 studies Abnormalities, Drug-Induced 1 study Abnormalities, Multiple 103 studies Abnormalities, Radiation-Induced 3 studies Abortion, Habitual 14 studies Abortion, Incomplete 4 studies Abortion, Missed 5 studies Abortion, Septic 2 studies Abortion, Spontaneous 37 studies Abruptio Placentae 3 studies Abscess 59 studies Absent T Lymphocytes 1 study Acalculous Cholecystitis 19 studies Acanthocheilonemiasis 3 studies Acanthocytosis 2 studies Acanthosis Nigricans 2 studies Accelerated Idioventricular Rhythm 1 study Achalasia 11 studies Achlorhydria 4 studies Achondroplasia 1 study Acidosis 29 studies Acidosis, Lactic 15 studies Acidosis, Respiratory 1 study Acinetobacter Infections 3 studies Acne Keloid 3 studies Acne Vulgaris 102 studies Acoustic Neuroma 4 studies Acquired Hemophilia 3 studies Acquired Immunodeficiency Syndrome 3252 studies Acrodermatitis 8 studies Acromegaly 62 studies ACTH Deficiency 1 study ACTH-Secreting Pituitary Adenoma 1 study Actinic Cheilitis 2 studies Acute Articular Rheumatism 7 studies Acute Coronary Syndrome 181 studies Acute Disease 40 studies Acute Disseminated Encephalomyelitis 2 studies Acute Erythroblastic Leukemia 128 studies Acute Idiopathic Polyneuritis 5 studies Acute Intermittent Porphyria 3 studies Acute Lymphoblastic Leukemia 814 studies Acute Lymphoblastic Leukemia, Childhood 334 studies Acute Monoblastic Leukemia 125 studies Acute Mountain Sickness 13 studies Acute Myelocytic Leukemia 999 studies Acute Myeloid Leukemia, Adult 694 studies Acute Myeloid Leukemia, Childhood 287 studies Acute Myelomonocytic Leukemia 122 studies Acute Promyelocytic Leukemia 94 studies Acute Radiation Syndrome 1 study Acute Respiratory Distress Syndrome 197 studies Acute-Phase Reaction 4 studies Addison Disease 29 studies Adenocarcinoma 2720 studies Adenocarcinoma of Lung 141 studies Adenocarcinoma, Bronchiolo-Alveolar 86 studies Adenocarcinoma, Clear Cell 31 studies Adenocarcinoma, Follicular 35 studies Adenocarcinoma, Sebaceous 1 study Adenoid Cystic Carcinoma 69 studies Adenoma 245 studies Adenoma, Islet Cell 32 studies Adenoma, Pleomorphic 6 studies Adenomatous Polyposis Coli 20 studies Adenomatous Polyps 37 studies Adenomyosis 5 studies Adenoviridae Infections 71 studies Adhesions 65 studies Adjustment Disorders 7 studies Adrenal Cortex Diseases 30 studies Adrenal Cortex Neoplasms 29 studies Adrenal Gland Diseases 115 studies Adrenal Gland Hyperfunction 4 studies Adrenal Gland Hypofunction 40 studies Adrenal Gland Neoplasms 33 studies Adrenal Hyperplasia 16 studies Adrenal Hyperplasia, Congenital 16 studies Adrenal Incidentaloma 1 study Adrenal Insufficiency 40 studies Adrenocortical Carcinoma 38 studies Adrenocortical Hyperfunction 50 studies Adrenogenital Syndrome 16 studies Adrenoleukodystrophy 29 studies Adult Onset Still's Disease 1 study Advanced Sleep Phase Syndrome 1 study Affective Disorders, Psychotic 481 studies Affective Symptoms 3 studies Afibrinogenemia 1 study Agammaglobulinemia 17 studies Aggression 204 studies Aggressive Fibromatosis 10 studies Aggressive Systemic Mastocytosis 3 studies Agoraphobia 12 studies Agranulocytosis 80 studies Aicardi Syndrome 2 studies AIDS Dementia Complex 20 studies AIDS-Associated Nephropathy 6 studies AIDS-Related Complex 280 studies AIDS-Related Opportunistic Infections 160 studies Airway Obstruction 26 studies Akathisia, Drug-Induced 2 studies Alagille Syndrome 3 studies Albers-Schonberg Disease 7 studies Albinism 8 studies Albinism, Ocular 1 study Albinism, Oculocutaneous 6 studies Albright's Hereditary Osteodystrophy 4 studies Albuminuria 43 studies Alcohol Drinking 114 studies Alcohol Withdrawal Delirium 1 study Alcohol Withdrawal Seizures 1 study Alcohol-Induced Disorders 31 studies Alcohol-Related Disorders 339 studies Alcoholic Intoxication 10 studies Alcoholic Neuropathy 1 study Alcoholism 306 studies Alkalosis 3 studies Alkaptonuria 2 studies Allergic Bronchopulmonary Aspergillosis 5 studies Alopecia 26 studies Alopecia Areata 12 studies Alopecia Totalis 4 studies Alopecia Universalis 2 studies Alpha 1-Antitrypsin Deficiency 23 studies Alpha-Mannosidosis 5 studies Alpha-Thalassemia 3 studies Alport Syndrome 3 studies Alstrom Syndrome 1 study Altitude Sickness 13 studies Alveolar Bone Loss 7 studies Alveolar Echinococcosis 2 studies Alveolar Soft Part Sarcoma 25 studies Alzheimer Disease 536 studies Alzheimer Disease Type 2 2 studies Amaurosis Congenita of Leber 5 studies Amaurosis Congenita of Leber, Type 2 1 study Amblyopia 25 studies Amebiasis 4 studies Amenorrhea 27 studies Amino Acid Metabolism, Inborn Errors 56 studies Amnesia 42 studies Amphetamine-Related Disorders 24 studies Amputation, Traumatic 7 studies Amyloid Angiopathy 1 study Amyloid Neuropathies 3 studies Amyloid Neuropathies, Familial 3 studies Amyloidosis 110 studies Amyloidosis, Familial 3 studies Amyotrophic Lateral Sclerosis 112 studies Anal Cancer 59 studies Anaphylaxis 10 studies Anaplastic Large Cell Lymphoma 258 studies Ancylostoma Duodenale 8 studies Andersen Syndrome 2 studies Andersen Tawil Syndrome 2 studies Androgenetic Alopecia 7 studies Anemia 1106 studies Anemia, Aplastic 125 studies Anemia, Diamond-Blackfan 20 studies Anemia, Hemolytic 268 studies Anemia, Hemolytic, Autoimmune 12 studies Anemia, Hemolytic, Congenital 221 studies Anemia, Hemolytic, Congenital Nonspherocytic 1 study Anemia, Hereditary Spherocytic Hemolytic 1 study Anemia, Iron-Deficiency 82 studies Anemia, Neonatal 7 studies Anemia, Refractory 189 studies Anemia, Refractory, with Excess of Blasts 173 studies Anemia, Sickle Cell 167 studies Anencephaly 4 studies Aneuploidy 17 studies Aneurysm 148 studies Aneurysm, Dissecting 5 studies Aneurysm, Ruptured 2 studies Angelman Syndrome 5 studies Angina Pectoris 181 studies Angina Pectoris, Variant 3 studies Angina, Unstable 70 studies Angioedema 27 studies Angioedema, Hereditary 21 studies Angioid Streaks 5 studies Angiolipoma 1 study Angiomatosis 17 studies Angiomyolipoma 6 studies Anguillulosis 3 studies Aniridia 8 studies Anisakiasis 4 studies Anisometropia 7 studies Ankle Injuries 11 studies Ankylosis 82 studies Anodontia 2 studies Anomia 3 studies Anophthalmos 2 studies Anorexia 86 studies Anorexia Nervosa 50 studies Anovulation 26 studies Anoxia 35 studies Anthrax 16 studies Antiphospholipid Syndrome 12 studies Antisocial Personality Disorder 6 studies Antithrombin III Deficiency 4 studies Anus Neoplasms 59 studies Anxiety Disorders 746 studies Anxiety, Separation 13 studies Aortic Aneurysm 90 studies Aortic Aneurysm, Abdominal 61 studies Aortic Aneurysm, Thoracic 19 studies Aortic Arch Syndromes 4 studies Aortic Coarctation 7 studies Aortic Diseases 95 studies Aortic Rupture 2 studies Aortic Valve Insufficiency 15 studies Aortic Valve Stenosis 86 studies Aphakia 3 studies Aphasia 50 studies Aphasia, Broca 3 studies Aphasia, Primary Progressive 29 studies Aphthous Stomatitis 9 studies Aplastic Anemia 125 studies Apnea 352 studies Apparent Mineralocorticoid Excess 2 studies Appendiceal Neoplasms 2 studies Appendicitis 36 studies Apraxia, Ideomotor 2 studies Apraxias 6 studies Arachnidism 1 study Arachnodactyly 10 studies Arachnoiditis 2 studies Arbovirus Infections 96 studies Argininosuccinic Aciduria 1 study Arima Syndrome 1 study Arm Injuries 72 studies Arnold-Chiari Malformation 16 studies Arrhythmia, Sinus 24 studies Arrhythmias, Cardiac 667 studies Arrhythmogenic Right Ventricular Dysplasia 3 studies Arterial Occlusive Diseases 1731 studies Arteriosclerosis 1630 studies Arteriosclerosis Obliterans 4 studies Arteriovenous Fistula 17 studies Arteriovenous Malformations 24 studies Arteritis 23 studies Arthralgia 73 studies Arthritis 1547 studies Arthritis, Experimental 1 study Arthritis, Gouty 5 studies Arthritis, Infectious 8 studies Arthritis, Juvenile Rheumatoid 64 studies Arthritis, Psoriatic 53 studies Arthritis, Reactive 5 studies Arthritis, Rheumatoid 735 studies Arthropathy, Neurogenic 2 studies Articulation Disorders 5 studies Asbestosis 1 study Ascariasis 2 studies Ascites 48 studies Aspartylglycosaminuria 1 study Asperger Syndrome 22 studies Aspergillosis 53 studies Aspergillosis, Allergic Bronchopulmonary 5 studies Asphyxia 19 studies Asphyxia Neonatorum 10 studies Asthenia 78 studies Asthenopia 5 studies Asthma 1185 studies Asthma, Exercise-Induced 26 studies Astigmatism 45 studies Astrocytoma 627 studies Ataxia 40 studies Ataxia Telangiectasia 35 studies Atelectasis 4 studies Atherosclerosis 558 studies Athletic Injuries 3 studies Atrial Fibrillation 368 studies Atrial Flutter 40 studies Atrial Premature Complexes 1 study Atrioventricular Block 11 studies Atrioventricular Septal Defect 2 studies Atrophy 214 studies Attention Deficit and Disruptive Behavior Disorders 347 studies Attention Deficit Disorder with Hyperactivity 329 studies Atypical Hemolytic Uremic Syndrome 4 studies Atypical Mole Syndrome 3 studies Auditory Diseases, Central 5 studies Auditory Perceptual Disorders 4 studies Autism 146 studies Autistic Disorder 146 studies Autoimmune Diseases 2032 studies Autoimmune Diseases of the Nervous System 443 studies Autoimmune Enteropathy 1 study Autoimmune Hemolytic Anemia 12 studies Autoimmune Hepatitis 6 studies Autoimmune Lymphoproliferative Syndrome 7 studies Autonomic Dysreflexia 1 study Autonomic Nervous System Diseases 58 studies Autosomal Dominant Partial Epilepsy With Auditory Features 1 study Autosomal Dominant Polycystic Kidney Disease 22 studies Avitaminosis 101 studies Azoospermia 6 studies Azotemia 8 studies B-cell Lymphomas 842 studies Back Injuries 27 studies Back Pain 308 studies Bacteremia 87 studies Bacterial Endocarditis 12 studies Bacterial Infections 1146 studies Bacterial Meningitis 4 studies Bacteriuria 10 studies Balo Disease 1 study Balo's Concentric Sclerosis 1 study Bardet-Biedl Syndrome 3 studies Bare Lymphocyte Syndrome 1 study Barrett Esophagus 59 studies Barrett Syndrome 59 studies Bartter Syndrome 2 studies Basal Cell Carcinoma, Multiple 3 studies Basal Cell Nevus Syndrome 7 studies Basal Ganglia Diseases 602 studies Basilar Artery Migraines 8 studies Becker's Muscular Dystrophy 31 studies Behavior, Addictive 154 studies Behavioral Symptoms 1483 studies Behcet Syndrome 12 studies Bell Palsy 5 studies Benign Essential Blepharospasm 14 studies Benign Essential Tremor Syndrome 27 studies Benign Mucosal Pemphigoid 2 studies Benign Paroxysmal Positional Vertigo 5 studies Berger Disease 27 studies Berylliosis 2 studies Beta-galactosidase-1 Deficiency 3 studies Beta-Thalassemia 42 studies Bile Duct Cancer, Extrahepatic 77 studies Bile Duct Diseases 139 studies Bile Duct Neoplasms 63 studies Bile Reflux 2 studies Biliary Atresia 7 studies Biliary Cirrhosis 20 studies Biliary Dyskinesia 5 studies Biliary Tract Cancer 36 studies Biliary Tract Diseases 222 studies Biliary Tract Neoplasms 94 studies Bipolar Disorder 506 studies Birt-Hogg-Dube Syndrome 2 studies Birth Injuries 3 studies Birth Weight 148 studies Bites and Stings 28 studies Bladder Exstrophy 1 study Bladder Neoplasm 302 studies Blast Crisis 327 studies Blast Injuries 3 studies Blastoma 2 studies Blastomycosis 5 studies Blepharitis 15 studies Blepharoptosis 8 studies Blepharospasm 13 studies Blind Loop Syndrome 1 study Blindness 72 studies Blister 19 studies Blood Coagulation Disorders 1221 studies Blood Loss, Surgical 26 studies Blood Platelet Disorders 206 studies Blood Protein Disorders 950 studies Bloom Syndrome 1 study Body Weight 1858 studies Body Weight Changes 305 studies Bone Cysts 9 studies Bone Diseases 1205 studies Bone Diseases, Developmental 164 studies Bone Diseases, Endocrine 149 studies Bone Diseases, Metabolic 543 studies Bone Marrow Diseases 1185 studies Bone Marrow Neoplasms 6 studies Bone Neoplasms 71 studies Bone Resorption 26 studies Borderline Personality Disorder 37 studies Borrelia Infections 12 studies Borreliosis 11 studies Botulism 4 studies Bourneville Syndrome 13 studies Bowen's Disease 7 studies Brachial Plexus Neuritis 1 study Bradycardia 48 studies Brain Concussion 16 studies Brain Damage, Chronic 122 studies Brain Death 7 studies Brain Diseases 3873 studies Brain Diseases, Metabolic 224 studies Brain Diseases, Metabolic, Inborn 190 studies Brain Edema 9 studies Brain Infarction 491 studies Brain Injuries 363 studies Brain Injury, Chronic 3 studies Brain Ischemia 538 studies Brain Neoplasms 624 studies Brain Stem Glioma, Childhood 94 studies Brain Stem Infarctions 2 studies Brain Stem Neoplasms 5 studies Brain Tumor, Childhood 57 studies Breast Cancer, Male 209 studies Breast Cyst 2 studies Breast Diseases 2635 studies Breast Neoplasms 2750 studies Breast Neoplasms, Male 210 studies Breech Presentation 7 studies Broad Beta Disease 3 studies Bronchial Diseases 1146 studies Bronchial Hyperreactivity 20 studies Bronchial Spasm 25 studies Bronchiectasis 38 studies Bronchiolitis 67 studies Bronchiolitis Obliterans 25 studies Bronchiolitis, Viral 9 studies Bronchitis 161 studies Bronchitis, Chronic 77 studies Bronchopulmonary Dysplasia 45 studies Brown-Sequard Syndrome 1 study Brucellosis 7 studies Brugada Syndrome 5 studies Bruton Type Agammaglobulinemia 6 studies Bruxism 2 studies Buerger's Disease 1 study Bulimia 62 studies Bulimia Nervosa 53 studies Bullous Pemphigoid 9 studies Bundle-Branch Block 3 studies Burkitt Lymphoma 534 studies Burning Mouth Syndrome 8 studies Burns 159 studies Burns, Chemical 2 studies Burns, Electric 1 study Bursitis 16 studies Buruli Ulcer 1 study Cachexia 60 studies Calcinosis 19 studies Calculi 108 studies Campylobacter Infections 2 studies Canavan Disease 3 studies Candidiasis 99 studies Candidiasis, Oral 30 studies Candidiasis, Vulvovaginal 7 studies Carbamoyl-Phosphate Synthase I Deficiency Disease 1 study Carbon Monoxide Poisoning 5 studies Carbuncle 2 studies Carcinoid Syndrome 37 studies Carcinoid Tumor 104 studies Carcinoma 4854 studies Carcinoma in Situ 182 studies Carcinoma, Adenoid Cystic 69 studies Carcinoma, Adenosquamous 64 studies Carcinoma, Basal Cell 140 studies Carcinoma, Basosquamous 16 studies Carcinoma, Bronchogenic 10 studies Carcinoma, Ductal 74 studies Carcinoma, Ductal, Breast 114 studies Carcinoma, Endometrioid 49 studies Carcinoma, Giant Cell 2 studies Carcinoma, Hepatocellular 365 studies Carcinoma, Intraductal, Noninfiltrating 80 studies Carcinoma, Islet Cell 42 studies Carcinoma, Large Cell 7 studies Carcinoma, Lobular 35 studies Carcinoma, Medullary 35 studies Carcinoma, Merkel Cell 11 studies Carcinoma, Neuroendocrine 254 studies Carcinoma, Non-Small-Cell Lung 1580 studies Carcinoma, Pancreatic Ductal 3 studies Carcinoma, Papillary 23 studies Carcinoma, Papillary, Follicular 1 study Carcinoma, Renal Cell 591 studies Carcinoma, Small Cell 395 studies Carcinoma, Squamous Cell 712 studies Carcinoma, Squamous Cell of Head and Neck 165 studies Carcinoma, Transitional Cell 159 studies Carcinosarcoma 35 studies Cardiac Complexes, Premature 20 studies Cardiac Output, High 3 studies Cardiac Output, Low 14 studies Cardiac Tamponade 1 study Cardiogenital Syndrome 1 study Cardiomegaly 78 studies Cardiomyopathies 211 studies Cardiomyopathy, Alcoholic 1 study Cardiomyopathy, Dilated 44 studies Cardiomyopathy, Hypertrophic 38 studies Cardiomyopathy, Hypertrophic, Familial 3 studies Cardiomyopathy, Restrictive 1 study Cardiospasm 11 studies Cardiovascular Abnormalities 266 studies Cardiovascular Infections 14 studies Carney Syndrome 2 studies Carnitine Palmitoyl Transferase 2 Deficiency 1 study Caroli Disease 1 study Carotid Artery Diseases 114 studies Carotid Artery Injuries 1 study Carotid Stenosis 55 studies Carpal Tunnel Syndrome 31 studies Cartilage Diseases 10 studies Castleman's Disease 8 studies Cataplexy 9 studies Cataract 216 studies Catatonia 2 studies Causalgia 7 studies Celiac Disease 33 studies Cellulitis 27 studies Central Cord Syndrome 4 studies Central Nervous System Diseases 4556 studies Central Nervous System Fungal Infections 26 studies Central Nervous System Infections 309 studies Central Nervous System Lymphoma, Primary 168 studies Central Nervous System Neoplasms 848 studies Central Serous Chorioretinopathy 12 studies Centrotemporal Epilepsy 2 studies Ceramide Trihexosidosis 45 studies Cerebellar Ataxia 12 studies Cerebellar Degeneration 1 study Cerebellar Diseases 28 studies Cerebral Amyloid Angiopathy 1 study Cerebral Aneurysm 8 studies Cerebral Arterial Diseases 13 studies Cerebral Hemorrhage 49 studies Cerebral Infarction 855 studies Cerebral Palsy 91 studies Cerebrospinal Fluid Leak 1 study Cerebrospinal Fluid Rhinorrhea 1 study Cerebrotendinous Xanthomatosis 2 studies Cerebrovascular Disorders 958 studies Cerebrovascular Trauma 3 studies Ceroid Lipofuscinosis, Neuronal 2 3 studies Cervical Intraepithelial Neoplasia 76 studies Chagas Cardiomyopathy 2 studies Chagas Disease 10 studies Chalazion 1 study Chandler's Syndrome 2 studies Charcot-Marie-Tooth Disease 45 studies Charcot-Marie-Tooth Disease With Pyramidal Features, Autosomal Dominant 1 study Charcot-Marie-Tooth Disease, Type 1A 2 studies Chediak-Higashi Syndrome 8 studies Cheilitis 2 studies Chest Pain 206 studies Cheyne-Stokes Respiration 7 studies Chickenpox 78 studies Chikungunya 1 study Child Behavior Disorders 4 studies Child Development Disorders, Pervasive 149 studies Childhood Disintegrative Disorder 2 studies Childhood-Onset Schizophrenia 6 studies Chlamydia Infections 56 studies Cholangiocarcinoma 63 studies Cholangitis 13 studies Cholangitis, Sclerosing 11 studies Cholecystitis 19 studies Cholecystitis, Acute 4 studies Cholecystolithiasis 37 studies Choledocholithiasis 8 studies Cholelithiasis 37 studies Cholera 21 studies Cholestasis 52 studies Cholestasis, Extrahepatic 1 study Cholestasis, Intrahepatic 25 studies Cholesteatoma 2 studies Cholesterol Ester Storage Disease 3 studies Chondrocalcinosis 2 studies Chondrocalcinosis 2 1 study Chondrosarcoma 45 studies Chordoma 15 studies Chorea 46 studies Chorea Minor 2 studies Choreoacanthocytosis 1 study Chorioamnionitis 13 studies Choriocarcinoma 46 studies Chorioretinitis 1 study Choristoma 2 studies Choroid Diseases 105 studies Choroid Neoplasms 3 studies Choroid Plexus Neoplasms 77 studies Choroidal Neovascularization 116 studies Choroideremia 1 study Choroiditis 5 studies Chromophil Renal Cell Carcinoma 14 studies Chromosome Aberrations 80 studies Chromosome Deletion 6 studies Chromosome Disorders 113 studies Chronic Berylliosis 2 studies Chronic Disease 283 studies Chronic Granulomatous Disease 24 studies Chronic Inflammatory Demyelinating Polyneuropathy 6 studies Chronic Lymphocytic Leukemia 911 studies Chronic Myelogenous Leukemia 712 studies Chronic Myelomonocytic Leukemia 309 studies Chronic Myeloproliferative Disorders 178 studies Chronic Neutropenia 2 studies Chronic, Infantile, Neurological, Cutaneous, Articular Syndrome 5 studies Chronobiology Disorders 23 studies Churg-Strauss Syndrome 12 studies Chylothorax 2 studies Chylothorax, Congenital 1 study Cicatricial Pemphigoid 2 studies Cicatrix 104 studies Cicatrix, Hypertrophic 6 studies Ciliary Motility Disorders 10 studies Citrullinemia 2 studies Clear Cell Renal Cell Carcinoma 83 studies Cleft Lip 13 studies Cleft Palate 20 studies Clostridium Difficile 36 studies Clostridium Infections 87 studies Clubfoot 10 studies Cluster Headache 13 studies COACH Syndrome 1 study Coal Worker's Pneumoconiosis 4 studies Coats Disease 2 studies Cocaine-Related Disorders 239 studies Coccidioidomycosis 10 studies Cockayne Syndrome 1 study Cogan's Syndrome 1 study Cognition Disorders 882 studies Coin Lesion, Pulmonary 3 studies Cold Agglutinin Disease 1 study Colic 17 studies Colitis 217 studies Colitis, Collagenous 4 studies Colitis, Ischemic 1 study Colitis, Lymphocytic 3 studies Colitis, Microscopic 6 studies Colitis, Ulcerative 179 studies Collagen Diseases 53 studies Collagenous Colitis 4 studies Colles' Fracture 8 studies Coloboma 2 studies Colonic Diseases 1556 studies Colonic Diseases, Functional 124 studies Colonic Neoplasms 241 studies Colonic Polyps 28 studies Colorectal Cancer, Hereditary Nonpolyposis, Type 1 11 studies Colorectal Neoplasms 1378 studies Colorectal Neoplasms, Hereditary Nonpolyposis 17 studies Coma 25 studies Combat Disorders 11 studies Combined Hyperlipidemia, Familial 19 studies Common Bile Duct Diseases 12 studies Common Cold 22 studies Common Variable Immunodeficiency 13 studies Communication Disorders 94 studies Community-Acquired Infections 9 studies Compartment Syndromes 8 studies Complete Atrioventricular Canal 3 studies Complex Regional Pain Syndromes 30 studies Compulsive Behavior 28 studies Conduct Disorder 26 studies Conductive Hearing Loss 2 studies Condyloma 22 studies Condyloma Acuminatum 22 studies Condylomata Acuminata 22 studies Cone Rod Dystrophy 35 studies Confusion 84 studies Congenital Abnormalities 1305 studies Congenital Amegakaryocytic Thrombocytopenia 5 studies Congenital Cardiovascular Malformations 1 study Congenital Central Hypoventilation Syndrome 1 study Congenital Cytomegalovirus 7 studies Congenital Deafness 2 studies Congenital Diaphragmatic Hernia 7 studies Congenital Fiber Type Disproportion 1 study Congenital Heart Block 3 studies Congenital Heart Septum Defect 39 studies Congenital Hemolytic Anemia 1 study Congenital Hepatic Fibrosis 2 studies Congenital Hypothyroidism 4 studies Congenital Megacolon 3 studies Congenital Torticollis 2 studies Congenital Toxoplasmosis 1 study Conjunctival Diseases 158 studies Conjunctival Neoplasms 5 studies Conjunctivitis 133 studies Conjunctivitis, Allergic 63 studies Conjunctivitis, Bacterial 30 studies Conjunctivitis, Inclusion 2 studies Conn's Syndrome 8 studies Connective Tissue Diseases 1251 studies Conotruncal Anomaly Face Syndrome 16 studies Conotruncal Heart Malformations 2 studies Consciousness Disorders 40 studies Constipation 157 studies Constriction, Pathologic 343 studies Contracture 18 studies Contusions 9 studies Convalescence 3 studies Conversion Disorder 6 studies Corneal Diseases 130 studies Corneal Dystrophies, Hereditary 12 studies Corneal Dystrophy 12 studies Corneal Dystrophy Fuchs' Endothelial 1 7 studies Corneal Dystrophy, Epithelial Basement Membrane 1 study Corneal Edema 8 studies Corneal Neovascularization 10 studies Corneal Opacity 6 studies Corneal Ulcer 8 studies Coronary Aneurysm 2 studies Coronary Artery Aneurysm 2 studies Coronary Artery Disease 1397 studies Coronary Disease 1379 studies Coronary Occlusion 25 studies Coronary Restenosis 41 studies Coronary Stenosis 74 studies Coronary Thrombosis 7 studies Coronary Vasospasm 4 studies Corticobasal Degeneration 1 study Cough 171 studies Cowden's Disease 3 studies Coxsackievirus Infections 4 studies Craniocerebral Trauma 258 studies Craniofacial Abnormalities 36 studies Craniofrontonasal Dysplasia 1 study Craniomandibular Disorders 20 studies Craniopharyngioma 74 studies Craniosynostoses 7 studies Cretinism 4 studies Creutzfeldt Jakob Disease 2 studies Creutzfeldt-Jakob Syndrome 2 studies Crigler Najjar Syndrome, Type 1 1 study Crigler-Najjar Syndrome 1 study Critical Illness 197 studies Crohn Disease 274 studies Crohn’s Disease, Pediatric 9 studies Cross Infection 87 studies Croup 3 studies Cryoglobulinemia 2 studies Cryptococcosis 31 studies Cryptorchidism 4 studies Cryptosporidiosis 19 studies Cubital Tunnel Syndrome 1 study Cumulative Trauma Disorders 36 studies Currarino Triad 1 study Cushing Syndrome 30 studies Cutaneous Fistula 1 study Cutaneous Lupus Erythematosus 15 studies Cutaneous T-cell Lymphoma 365 studies Cutis Laxa 4 studies Cutis Verticis Gyrata 8 studies Cyanosis 2 studies Cyclic Vomiting Syndrome 6 studies Cystadenocarcinoma, Serous 54 studies Cystadenoma 1 study Cystic Adenomatoid Malformation of Lung 2 studies Cystic Adenomatoid Malformation of Lung, Congenital 2 studies Cystic Fibrosis 286 studies Cysticercosis 11 studies Cystinosis 11 studies Cystinuria 2 studies Cystitis 54 studies Cystitis, Interstitial 42 studies Cystocele 496 studies Cystosarcoma Phyllodes 2 studies Cysts 146 studies Cytomegalic Inclusion Disease 174 studies Cytomegalovirus 180 studies Cytomegalovirus Infections 180 studies Cytomegalovirus Retinitis 60 studies Dacryocystitis 3 studies Dancing Eyes-dancing Feet Syndrome 4 studies Darier's Disease 3 studies Deafness 83 studies Death 219 studies Death, Sudden 98 studies Death, Sudden, Cardiac 81 studies Deficiency Diseases 159 studies Degenerative Motor System Disease 182 studies Deglutition Disorders 311 studies Dehydration 17 studies Delayed Graft Function 14 studies Delirium 885 studies Delirium, Dementia, Amnestic, Cognitive Disorders 875 studies Delusions 19 studies Dementia 909 studies Dementia, Vascular 27 studies Demyelinating Autoimmune Diseases, CNS 390 studies Demyelinating Diseases 440 studies Dengue 32 studies Dengue Fever 32 studies Dengue Hemorrhagic Fever 32 studies Dental Calculus 2 studies Dental Caries 48 studies Dental Occlusion, Traumatic 1 study Dental Plaque 17 studies Dental Pulp Diseases 11 studies Dental Pulp Exposure 1 study Dental Pulp Necrosis 5 studies Dentin Sensitivity 2 studies Depersonalization 2 studies Depersonalization Disorder 2 studies Depression 1603 studies Depression, Postpartum 40 studies Depressive Disorder 1585 studies Depressive Disorder, Major 665 studies Dermatitis 243 studies Dermatitis, Allergic Contact 12 studies Dermatitis, Atopic 156 studies Dermatitis, Contact 30 studies Dermatitis, Exfoliative 5 studies Dermatitis, Occupational 1 study Dermatitis, Perioral 2 studies Dermatitis, Photoallergic 4 studies Dermatitis, Phototoxic 2 studies Dermatitis, Seborrheic 8 studies Dermatofibroma 2 studies Dermatofibrosarcoma 16 studies Dermatofibrosarcoma Protuberans 16 studies Dermatomycoses 56 studies Dermatomyositis 25 studies Desmoid Tumor 10 studies Desmoplastic Small Round Cell Tumor 23 studies Developmental Disabilities 170 studies Devic Disease 5 studies Dextrocardia 12 studies Di Guglielmo's Syndrome 128 studies Diabetes Complications 456 studies Diabetes Insipidus 6 studies Diabetes Insipidus Primary Central 1 study Diabetes Insipidus, Nephrogenic 2 studies Diabetes Insipidus, Neurogenic 1 study Diabetes Mellitus 3542 studies Diabetes Mellitus Type 1 490 studies Diabetes Mellitus, Experimental 1 study Diabetes Mellitus, Type 1 490 studies Diabetes Mellitus, Type 2 1810 studies Diabetes, Gestational 44 studies Diabetic Angiopathies 212 studies Diabetic Foot 87 studies Diabetic Ketoacidosis 6 studies Diabetic Nephropathies 100 studies Diabetic Neuropathies 222 studies Diabetic Retinopathy 140 studies Diamond-Blackfan Anemia 19 studies Diaper Rash 2 studies Diaphyseal Medullary Stenosis With Malignant Fibrous Histiocytoma 1 study Diarrhea 216 studies Diarrhea, Infantile 3 studies Diffuse Cerebral Sclerosis of Schilder 1 study Diffuse Systemic Sclerosis 9 studies DiGeorge Syndrome 16 studies Digestive System Abnormalities 70 studies Digestive System Diseases 6701 studies Digestive System Neoplasms 3344 studies Dihydropyrimidine Dehydrogenase Deficiency 6 studies Dilatation, Pathologic 100 studies Dilated Cardiomyopathy 38 studies Dipetalonema Infections 3 studies Diphtheria 145 studies Discitis 1 study Disease Progression 468 studies Disease Susceptibility 130 studies Dislocations 41 studies Disorders of Environmental Origin 2543 studies Disorders of Excessive Somnolence 19 studies Disseminated Intravascular Coagulation 3 studies Dissociative Disorders 6 studies Diverticulitis 17 studies Diverticulitis, Colonic 2 studies Diverticulosis, Colonic 3 studies Diverticulum 6 studies Dizziness 8 studies DNA Damage 10 studies DNA Virus Infections 1008 studies Dominant Ichthyosis Vulgaris 1 study Dopamine Beta Hydroxylase Deficiency 3 studies Double Outlet Right Ventricle 1 study Down Syndrome 36 studies Drinking Behavior 64 studies Drowning 2 studies Drug Hypersensitivity 9 studies Drug Toxicity 29 studies Dry Eye Syndromes 86 studies Dry Socket 1 study Dubin-Johnson Syndrome 1 study Duchenne Muscular Dystrophy 32 studies Ductus Arteriosus, Patent 24 studies Dumping Syndrome 1 study Duodenal Diseases 161 studies Duodenal Neoplasms 105 studies Duodenal Obstruction 2 studies Duodenal Ulcer 18 studies Duodenitis 2 studies Dupuytren's Contracture 11 studies Dwarfism 97 studies Dwarfism, Pituitary 87 studies Dysarthria 4 studies Dysentery 24 studies Dysentery, Bacillary 9 studies Dysferlinopathy 1 study Dysgerminoma 7 studies Dyskeratosis Congenita 4 studies Dyskinesia, Drug-Induced 5 studies Dyskinesias 659 studies Dyslexia 14 studies Dyslexia, Acquired 2 studies Dyslipidemias 811 studies Dysmenorrhea 39 studies Dyspareunia 12 studies Dyspepsia 68 studies Dysplastic Nevus Syndrome 3 studies Dyspnea 88 studies Dyssomnias 695 studies Dysthymic Disorder 33 studies Dystocia 5 studies Dystonia 83 studies Dystonia 12 1 study Dystonic Disorders 83 studies Dystrophic Epidermolysis Bullosa 4 studies Eales Disease 1 study Ear Diseases 206 studies Eating Disorders 123 studies Ebola Virus Disease 2 studies Ebstein Anomaly 1 study Eccentrochondrodysplasia 3 studies Ecchymosis 1 study Echinococcosis 3 studies Echinococcosis, Hepatic 1 study Eclampsia 84 studies Ectodermal Dysplasia 6 studies Ectopic Pregnancy 6 studies Eczema 69 studies Eczema, Dyshidrotic 2 studies Edema 300 studies Edema, Cardiac 5 studies Edwards Syndrome 3 studies Egg Hypersensitivity 5 studies Ehlers Danlos Syndrome Type 4, Autosomal Dominant 1 study Ehlers-Danlos Syndrome 5 studies Eisenmenger Complex 6 studies Eisenmenger Syndrome 6 studies Elective Mutism 2 studies Elephantiasis, Filarial 8 studies Elliptocytosis, Hereditary 1 study Emaciation 30 studies Embolism 531 studies Embolism and Thrombosis 481 studies Embolism, Air 2 studies Embolism, Fat 6 studies Embolism, Paradoxical 3 studies Emergencies 323 studies Emphysema 117 studies Empyema 8 studies Empyema, Pleural 2 studies Encephalitis 118 studies Encephalitis, Herpes Simplex 1 study Encephalitis, Japanese 23 studies Encephalitis, Tick-Borne 23 studies Encephalomalacia 9 studies Encephalomyelitis 28 studies Encephalomyelitis, Acute Disseminated 2 studies Encephalomyelitis, Eastern Equine 1 study Encephalomyelitis, Equine 4 studies Encephalomyelitis, Venezuelan Equine 3 studies Encopresis 2 studies Endocardial Cushion Defects 5 studies Endocarditis 20 studies Endocarditis, Bacterial 14 studies Endocarditis, Infective 12 studies Endocrine Gland Neoplasms 1611 studies Endocrine System Diseases 5400 studies Endocrinopathy 5400 studies Endometrial Cancer 229 studies Endometrial Hyperplasia 15 studies Endometrial Neoplasms 197 studies Endometrial Stromal Sarcoma 16 studies Endometrial Stromal Tumors 1 study Endometriosis 58 studies Endometritis 10 studies Endophthalmitis 11 studies Endotoxemia 20 studies Enlarged Vestibular Aqueduct Syndrome 1 study Enteritis 274 studies Enterobacteriaceae Infections 40 studies Enterocolitis 41 studies Enterocolitis, Necrotizing 26 studies Enterocolitis, Pseudomembranous 13 studies Enteropathy-associated T-cell Lymphoma 3 studies Enterovirus Infections 86 studies Enuresis 9 studies Eosinophilia 26 studies Eosinophilia-Myalgia Syndrome 1 study Eosinophilic Enteropathy 24 studies Eosinophilic Fasciitis 1 study Ependymoma 168 studies Epidermal Cyst 1 study Epidermal Necrolysis, Toxic 1 study Epidermoid Carcinoma 674 studies Epidermolysis Bullosa 13 studies Epidermolysis Bullosa Acquisita 1 study Epidermolysis Bullosa Dystrophica 4 studies Epidermolysis Bullosa, Junctional 1 study Epilepsies, Myoclonic 8 studies Epilepsies, Partial 109 studies Epilepsy 422 studies Epilepsy Juvenile Absence 6 studies Epilepsy, Absence 8 studies Epilepsy, Complex Partial 10 studies Epilepsy, Frontal Lobe 2 studies Epilepsy, Generalized 29 studies Epilepsy, Partial, Motor 2 studies Epilepsy, Post-Traumatic 3 studies Epilepsy, Reflex 5 studies Epilepsy, Rolandic 4 studies Epilepsy, Temporal Lobe 11 studies Epilepsy, Tonic-Clonic 8 studies Epileptic Encephalopathy, Lennox-Gastaut Type 8 studies Epimerase Deficiency 2 studies Epiphyses, Slipped 12 studies Epiretinal Membrane 9 studies Episodic Ataxia Syndrome 1 study Epistaxis 7 studies Epithelioid Sarcoma 23 studies Epstein Barr Virus, Chronic 4 studies Epstein-Barr Virus Infections 40 studies Equinus Deformity 10 studies Erectile Dysfunction 167 studies Eructation 2 studies Erysipelas 3 studies Erythema 25 studies Erythema Infectiosum 1 study Erythema Nodosum 1 study Erythroblastosis, Fetal 4 studies Erythroplakia 3 studies Erythroplasia 3 studies Erythropoietic Protoporphyria 3 studies Escherichia coli Infections 10 studies Esophageal Achalasia 11 studies Esophageal and Gastric Varices 18 studies Esophageal Atresia 1 study Esophageal Cancer 369 studies Esophageal Diseases 811 studies Esophageal Disorder 811 studies Esophageal Motility Disorders 246 studies Esophageal Neoplasms 369 studies Esophageal Perforation 1 study Esophageal Spasm, Diffuse 2 studies Esophageal Stenosis 2 studies Esophageal Varices 16 studies Esophagitis 74 studies Esophagitis, Peptic 19 studies Esotropia 8 studies Essential Hypertension 178 studies Essential Thrombocytosis 120 studies Essential Tremor 27 studies Ethmoid Sinusitis 1 study Eunuchism 1 study Euthyroid Sick Syndromes 1 study Evans Syndrome 2 studies Ewing's Family of Tumors 130 studies Ewing's Sarcoma 135 studies Exanthema 158 studies Exfoliation Syndrome 13 studies Exfoliative Dermatitis 5 studies Exocrine Pancreatic Insufficiency 28 studies Exostoses 3 studies Exostoses, Multiple 3 studies Exostoses, Multiple Hereditary 3 studies Extensively Drug-Resistant Tuberculosis 4 studies Extracranial Germ Cell Tumor, Childhood 9 studies Extragonadal Germ Cell Tumor 59 studies Eye Abnormalities 11 studies Eye Burns 2 studies Eye Diseases 2112 studies Eye Diseases, Hereditary 79 studies Eye Foreign Bodies 1 study Eye Infections 121 studies Eye Infections, Bacterial 45 studies Eye Injuries 6 studies Eye Injuries, Penetrating 1 study Eye Manifestations 1 study Eye Neoplasms 99 studies Fabry Disease 45 studies Facial Dermatoses 100 studies Facial Injuries 11 studies Facial Neoplasms 2 studies Facial Nerve Diseases 8 studies Facial Neuralgia 1 study Facial Pain 28 studies Facial Paralysis 3 studies Facies 276 studies Facioscapulohumeral Muscular Dystrophy 1a 5 studies Factor V Leiden Thrombophilia 5 studies Factor XIII Deficiency 4 studies Failure to Thrive 5 studies Fallopian Tube Cancer 247 studies Fallopian Tube Diseases 221 studies Fallopian Tube Neoplasms 246 studies Fallot Tetralogy 17 studies Familial Adenomatous Polyposis 20 studies Familial Amyloid Polyneuropathy 3 studies Familial Cold Autoinflammatory Syndrome 3 studies Familial Colorectal Cancer 1 study Familial Encephalopathy With Neuroserpin Inclusion Bodies 1 study Familial Hyperchylomicronemia 1 study Familial Hyperlipoproteinemia Type 1 1 study Familial Mediterranean Fever 7 studies Familial Polyposis 20 studies Fanconi Anemia 33 studies Fanconi Renotubular Syndrome 8 studies Fanconi Syndrome 8 studies Fasciitis 16 studies Fasciitis, Necrotizing 3 studies Fasciitis, Plantar 11 studies Fatigue 261 studies Fatigue Syndrome, Chronic 24 studies Fatty Liver 117 studies Favism 1 study Fecal Impaction 3 studies Fecal Incontinence 37 studies Feeding and Eating Disorders of Childhood 4 studies Felty's Syndrome 1 study Femoral Fractures 125 studies Femoral Neck Fractures 20 studies Femoral Neuropathy 1 study Femur Head Necrosis 3 studies Fetal Alcohol Syndrome 10 studies Fetal Death 7 studies Fetal Diseases 58 studies Fetal Distress 4 studies Fetal Edema 1 study Fetal Growth Retardation 31 studies Fetal Hypoxia 1 study Fetal Macrosomia 3 studies Fetal Membranes, Premature Rupture 24 studies Fetofetal Transfusion 1 study Fetomaternal Transfusion 1 study Fever 276 studies Fibroadenoma 3 studies Fibrocystic Breast Disease 4 studies Fibroma 7 studies Fibromatosis 8 studies Fibromatosis, Aggressive 10 studies Fibromyalgia 195 studies Fibrosarcoma 51 studies Fibrosing Alveolitis 3 studies Fibrosis 659 studies Fibrous Dysplasia 11 studies Fibrous Dysplasia of Bone 11 studies Fibrous Dysplasia, Polyostotic 10 studies Filariasis 16 studies Finger Injuries 2 studies Firesetting Behavior 1 study Fissure in Ano 6 studies Fistula 51 studies Flail Chest 4 studies Flatfoot 2 studies Flatulence 85 studies Flushing 43 studies Focal Dermal Hypoplasia 1 study Focal Dystonia 21 studies Focal Facial Dermal Dysplasia 1 study Focal Infection 3 studies Focal Segmental Glomerulosclerosis 23 studies Folic Acid Deficiency 2 studies Follicular Lymphoma 743 studies Folliculitis 7 studies Food Habits 5 studies Food Hypersensitivity 44 studies Foot Deformities 28 studies Foot Diseases 101 studies Foot Injuries 1 study Foot Ulcer 96 studies Foramen Ovale, Patent 15 studies Forearm Injuries 21 studies Foreign Bodies 3 studies Fournier Gangrene 1 study Fractures, Bone 447 studies Fractures, Closed 11 studies Fractures, Comminuted 3 studies Fractures, Compression 12 studies Fractures, Open 8 studies Fractures, Spontaneous 4 studies Fractures, Stress 3 studies Fractures, Ununited 7 studies Fragile X Syndrome 13 studies Fraser Syndrome 1 study Friedreich Ataxia 12 studies Frontotemporal Dementia 29 studies Fryns Syndrome 1 study Fuchs' Endothelial Dystrophy 8 studies Fucosidosis 4 studies Fungemia 17 studies Funnel Chest 4 studies Furunculosis 3 studies Gait Disorders, Neurologic 2 studies Galactorrhoea-Hyperprolactinaemia 8 studies Galactose Epimerase Deficiency 2 studies Galactosemias 2 studies Gall Bladder Cancer 93 studies Gallbladder Diseases 110 studies Gallbladder Neoplasms 92 studies Gallstones 37 studies Gambling 29 studies Ganglion Cysts 613 studies Gangliosidoses 8 studies Gangliosidoses, GM2 7 studies Gangliosidosis, GM1 3 studies Gangrene 4 studies Gastric Antral Vascular Ectasia 1 study Gastric Fistula 1 study Gastric Lymphoma 5 studies Gastric Outlet Obstruction 6 studies Gastrinoma 35 studies Gastritis 43 studies Gastritis, Hypertrophic 1 study Gastroenteritis 759 studies Gastroesophageal Reflux 258 studies Gastrointestinal Diseases 3726 studies Gastrointestinal Hemorrhage 57 studies Gastrointestinal Neoplasms 3344 studies Gastrointestinal Stromal Tumors 103 studies Gastroparesis 33 studies Gastroschisis 3 studies Gaucher Disease 36 studies Gaucher Disease Type 1 6 studies Gelatinous Ascites 4 studies Gelineau's Syndrome 18 studies Genetic Diseases, Inborn 1960 studies Genetic Diseases, X-Linked 195 studies Genetic Predisposition to Disease 130 studies Genital Diseases, Female 1814 studies Genital Diseases, Male 2020 studies Genital Dwarfism 34 studies Genital Neoplasms, Female 1108 studies Genital Neoplasms, Male 1370 studies Geographic Tongue 3 studies Gestational Trophoblastic Disease 69 studies Gestational Trophoblastic Neoplasms 69 studies Giant Cell Arteritis 13 studies Giant Cell Myocarditis 2 studies Giant Cell Tumor of Bone 7 studies Giant Cell Tumors 7 studies Giant Lymph Node Hyperplasia 8 studies Giardiasis 21 studies Gingival Diseases 25 studies Gingival Overgrowth 2 studies Gingival Recession 4 studies Gingivitis 14 studies Gitelman Syndrome 1 study Glaucoma 410 studies Glaucoma, Angle-Closure 15 studies Glaucoma, Congenital 3 studies Glaucoma, Neovascular 8 studies Glaucoma, Open-Angle 199 studies Glioblastoma 494 studies Glioblastoma Multiforme 256 studies Glioma 783 studies Gliosarcoma 335 studies Glomerulonephritis 111 studies Glomerulonephritis, IGA 27 studies Glomerulonephritis, Membranoproliferative 3 studies Glomerulonephritis, Membranous 16 studies Glomerulosclerosis, Focal Segmental 23 studies Glossitis, Benign Migratory 3 studies Glucose 6 Phosphate Dehydrogenase Deficiency 8 studies Glucose Intolerance 152 studies Glucose Metabolism Disorders 3147 studies Glucosephosphate Dehydrogenase Deficiency 2 studies Glycogen Storage Disease 33 studies Glycogen Storage Disease Type 2 30 studies Glycogen Storage Disease Type I 8 studies Glycogen Storage Disease Type II 31 studies Glycogen Storage Disease Type VII 1 study Goiter 36 studies Goiter, Nodular 7 studies Gonadal Disorders 1162 studies Gonadal Dysgenesis 32 studies Gonorrhea 23 studies Gout 28 studies Graft Occlusion, Vascular 5 studies Graft Versus Host Disease 287 studies Graft vs Host Disease 287 studies Gram-Negative Bacterial Infections 389 studies Gram-Positive Bacterial Infections 659 studies Granulocytopenia 80 studies Granuloma 89 studies Granuloma Annulare 3 studies Granulomatous Disease, Chronic 24 studies Graves Disease 21 studies Graves Ophthalmopathy 12 studies Gray Platelet Syndrome 2 studies Great Vessels Transposition 10 studies Growth Disorders 51 studies Growth Hormone Deficiency 87 studies Growth Hormone-Secreting Pituitary Adenoma 1 study Guillain-Barre Syndrome 5 studies Gynecomastia 5 studies Gyrate Atrophy 2 studies Haemophilus Infections 26 studies Haemophilus Influenzae 96 studies Hailey Hailey Disease 1 study Hairy Cell Leukemia 160 studies Halitosis 7 studies Hallucinations 21 studies Hallux Limitus 4 studies Hallux Rigidus 4 studies Hallux Valgus 12 studies Hamartoma Syndrome, Multiple 4 studies Hand Deformities 1 study Hand Dermatoses 5 studies Hand Injuries 4 studies Hantavirosis 2 studies Hantavirus Infections 5 studies Hantavirus Pulmonary Syndrome 1 study Hashimoto Disease 2 studies Hashimoto's Syndrome 2 studies Hawkinsinuria 2 studies Head and Neck Neoplasms 1189 studies Head Injuries, Closed 25 studies Head Injuries, Penetrating 1 study Headache 303 studies Headache Disorders 265 studies Headache Disorders, Primary 242 studies Headache Disorders, Secondary 15 studies Healthy 4266 studies Hearing Disorders 108 studies Hearing Loss 83 studies Hearing Loss, Bilateral 3 studies Hearing Loss, Conductive 2 studies Hearing Loss, Noise-Induced 3 studies Hearing Loss, Sensorineural 23 studies Hearing Loss, Sudden 4 studies Hearing Loss, Unilateral 3 studies Heart Aneurysm 1 study Heart Arrest 157 studies Heart Block 37 studies Heart Block Progressive, Familial 3 studies Heart Defects, Congenital 227 studies Heart Diseases 4334 studies Heart Failure 937 studies Heart Failure, Diastolic 28 studies Heart Failure, Systolic 13 studies Heart Injuries 1 study Heart Murmurs 3 studies Heart Neoplasms 1 study Heart Septal Defects 39 studies Heart Septal Defects, Atrial 24 studies Heart Septal Defects, Ventricular 17 studies Heart Tumor 1 study Heart Valve Diseases 184 studies Heartburn 61 studies Heavy Metal Poisoning 1 study Helicobacter Infections 17 studies HELLP Syndrome 5 studies Helminthiasis 68 studies Hemangioblastoma 5 studies Hemangioma 34 studies Hemangioma, Capillary 9 studies Hemangiopericytoma 56 studies Hemangiosarcoma 37 studies Hematemesis 2 studies Hematologic Diseases 3124 studies Hematologic Neoplasms 373 studies Hematoma 17 studies Hematuria 8 studies Hemianopsia 1 study Hemifacial Spasm 3 studies Hemiplegia 40 studies Hemochromatosis 23 studies Hemochromatosis, Type 3 23 studies Hemoglobin SC Disease 12 studies Hemoglobinopathies 227 studies Hemoglobinuria 28 studies Hemoglobinuria, Paroxysmal 20 studies Hemolysis 17 studies Hemolytic-Uremic Syndrome 8 studies Hemophagocytic Lymphohistiocytosis 9 studies Hemophilia A 114 studies Hemophilia B 31 studies Hemoptysis 2 studies Hemorrhage 589 studies Hemorrhagic Disorders 1183 studies Hemorrhagic Fever 38 studies Hemorrhagic Fever with Renal Syndrome 2 studies Hemorrhagic Fever, Ebola 3 studies Hemorrhagic Fevers, Viral 38 studies Hemorrhagic Thrombocythemia 120 studies Hemorrhoids 18 studies Hemosiderosis 13 studies Hemospermia 1 study Hemostatic Disorders 1221 studies Henoch-Schonlein Purpura 4 studies Heparin Induced Thrombocytopenia 22 studies Hepatic Encephalopathy 36 studies Hepatic Fibrosis 35 studies Hepatic Insufficiency 82 studies Hepatic Veno-Occlusive Disease 8 studies Hepatitis 1048 studies Hepatitis A 43 studies Hepatitis B 390 studies Hepatitis B, Chronic 138 studies Hepatitis C 597 studies Hepatitis C, Chronic 362 studies Hepatitis D 6 studies Hepatitis D, Chronic 4 studies Hepatitis E 2 studies Hepatitis, Alcoholic 5 studies Hepatitis, Autoimmune 6 studies Hepatitis, Chronic 519 studies Hepatitis, Viral, Human 938 studies Hepatoblastoma 16 studies Hepatocellular Carcinoma 372 studies Hepatocellular Carcinoma, Childhood 40 studies Hepatolenticular Degeneration 4 studies Hepatomegaly 3 studies Hepatopulmonary Syndrome 3 studies Hepatorenal Syndrome 10 studies Hereditary Angioedema 21 studies Hereditary Ataxia 3 studies Hereditary Deafness 2 studies Hereditary Elliptocytosis 1 study Hereditary Hemorrhagic Telangiectasia 15 studies Hereditary Hyperuricemia 1 study Hereditary Motor and Sensory Neuropathies 45 studies Hereditary Nonpolyposis Colon Cancer 17 studies Hereditary Pancreatitis 3 studies Hereditary Spastic Paraplegia 1 study Heredodegenerative Disorders, Nervous System 249 studies Hermanski-Pudlak Syndrome 5 studies Hermansky-Pudlak Syndrome 7 studies Hernia 144 studies Hernia, Abdominal 76 studies Hernia, Diaphragmatic 17 studies Hernia, Hiatal 7 studies Hernia, Inguinal 49 studies Hernia, Umbilical 9 studies Hernia, Ventral 24 studies Heroin Dependence 53 studies Herpes Genitalis 37 studies Herpes Labialis 16 studies Herpes Simplex 111 studies Herpes Simplex Encephalitis 1 study Herpes Zoster 128 studies Herpes Zoster Ophthalmicus 2 studies Herpesviridae Infections 495 studies Herpetic Keratitis 3 studies Hidradenitis 9 studies Hidradenitis Suppurativa 9 studies Hip Dislocation 20 studies Hip Dislocation, Congenital 19 studies Hip Dysplasia 20 studies Hip Fractures 98 studies Hirschsprung Disease 3 studies Hirsutism 10 studies Histiocytoma 48 studies Histiocytoma, Benign Fibrous 47 studies Histiocytoma, Malignant Fibrous 46 studies Histiocytosis 25 studies Histiocytosis X 13 studies Histiocytosis, Langerhans-Cell 13 studies Histoplasmosis 17 studies HIV Enteropathy 1 study HIV Infections 3252 studies HIV Seropositivity 202 studies HIV Wasting Syndrome 15 studies HIV-Associated Lipodystrophy Syndrome 20 studies Hoarseness 3 studies Hodgkin Disease 672 studies Hodgkin Lymphoma, Adult 618 studies Hodgkin Lymphoma, Childhood 203 studies Hollow Visceral Myopathy 2 studies Holoprosencephaly 5 studies Homocystinuria 2 studies Homologous Wasting Disease 287 studies Hookworm Infections 8 studies Hordeolum 2 studies Horton’s Disease 13 studies Hot Flashes 108 studies HTLV-I Infections 14 studies Humeral Fractures 18 studies Hunter-McAlpine Syndrome 8 studies Huntington Disease 42 studies Hutchinson Gilford Progeria Syndrome 4 studies Hutchinson's Melanotic Freckle 5 studies Hyaline Membrane Disease 5 studies Hydatidiform Mole 28 studies Hydatidosis 3 studies Hydrocephalus 28 studies Hydrocephalus, Normal Pressure 10 studies Hydronephrosis 10 studies Hydrophthalmos 3 studies Hydrops Fetalis 1 study Hyper IgE 3 studies Hyper IgM Syndrome 9 studies Hyper-IgM Immunodeficiency Syndrome 9 studies Hyper-IgM Immunodeficiency Syndrome, Type 1 9 studies Hyperacusis 4 studies Hyperadrenalism 4 studies Hyperaldosteronism 13 studies Hyperalgesia 42 studies Hyperammonemia 3 studies Hyperandrogenism 11 studies Hyperbilirubinemia 25 studies Hyperbilirubinemia, Neonatal 9 studies Hypercalcemia 21 studies Hypercalciuria 8 studies Hypercapnia 24 studies Hypercholesterolemia 395 studies Hypercholesterolemia, Autosomal Dominant 39 studies Hypercholesterolemia, Autosomal Dominant, Type B 1 study Hyperchylomicronemia 1 study Hyperemesis Gravidarum 4 studies Hyperemia 10 studies Hypereosinophilic Syndrome 17 studies Hyperglycemia 280 studies Hyperhidrosis 9 studies Hyperhomocysteinemia 13 studies Hyperinsulinemic Hypoglycemia, Familial, 1 3 studies Hyperinsulinemic Hypoglycemia, Familial, 2 1 study Hyperinsulinism 392 studies Hyperkalemia 7 studies Hyperkeratosis, Epidermolytic 1 study Hyperkinesis 392 studies Hyperlipidemia, Familial Combined 21 studies Hyperlipidemias 612 studies Hyperlipoproteinemia Type I 1 study Hyperlipoproteinemia Type II 40 studies Hyperlipoproteinemia Type III 3 studies Hyperlipoproteinemia Type IV 4 studies Hyperlipoproteinemia Type V 3 studies Hyperlipoproteinemias 52 studies Hypernatremia 4 studies Hyperopia 17 studies Hyperoxaluria 11 studies Hyperoxaluria, Primary 6 studies Hyperoxia 9 studies Hyperparathyroidism 92 studies Hyperparathyroidism, Primary 12 studies Hyperparathyroidism, Secondary 67 studies Hyperphagia 49 studies Hyperphosphatemia 44 studies Hyperpigmentation 26 studies Hyperpipecolatemia 1 study Hyperplasia 203 studies Hyperprolactinemia 8 studies Hypersensitivity 1671 studies Hypersensitivity Vasculitis 1 study Hypersensitivity, Delayed 21 studies Hypersensitivity, Immediate 1499 studies Hypersplenism 1 study Hypertension 2195 studies Hypertension, Malignant 1 study Hypertension, Portal 47 studies Hypertension, Pregnancy-Induced 81 studies Hypertension, Pulmonary 239 studies Hypertension, Renal 7 studies Hypertension, Renovascular 6 studies Hyperthyroidism 29 studies Hypertrichosis 4 studies Hypertriglyceridemia 69 studies Hypertrophy 144 studies Hypertrophy, Left Ventricular 44 studies Hypertrophy, Right Ventricular 1 study Hyperuricemia 24 studies Hypesthesia 13 studies Hypoadrenalism 40 studies Hypoalbuminemia 5 studies Hypoaldosteronism 2 studies Hypoalphalipoproteinemia, Primary 1 study Hypoalphalipoproteinemias 4 studies Hypobetalipoproteinemias 4 studies Hypocalcemia 15 studies Hypochondriasis 11 studies Hypoglycemia 139 studies Hypogonadism 111 studies Hypokalemia 6 studies Hypokalemic Periodic Paralysis 2 studies Hypokinesia 24 studies Hypolipoproteinemias 8 studies Hypomelanotic Disorder 26 studies Hyponatremia 36 studies Hypoparathyroidism 28 studies Hypopharyngeal Cancer 262 studies Hypopharyngeal Neoplasms 13 studies Hypophosphatasia 3 studies Hypophosphatemia 10 studies Hypophosphatemia, Familial 6 studies Hypophosphatemic Rickets 5 studies Hypophosphatemic Rickets, X-Linked Dominant 5 studies Hypopigmentation 26 studies Hypopituitarism 97 studies Hypopituitary Dwarfism 86 studies Hypoplastic Left Heart Syndrome 12 studies Hypotension 91 studies Hypotension, Orthostatic 31 studies Hypothalamic Diseases 198 studies Hypothermia 74 studies Hypothyroidism 32 studies Hypoventilation 17 studies Hypovolemia 9 studies Hypoxia, Brain 20 studies Hypoxia-Ischemia, Brain 13 studies Hysteria 6 studies I Cell Disease 3 studies Iatrogenic Disease 2 studies Ichthyosiform Erythroderma, Nonbullous Congenital 2 studies Ichthyosis 9 studies Ichthyosis Linearis Circumflexa 1 study Ichthyosis Vulgaris 1 study Ichthyosis, Lamellar 3 studies Ichthyosis, X-Linked 1 study Idiopathic Hypereosinophilic Syndrome 17 studies Idiopathic Myopathy 37 studies Idiopathic Pulmonary Fibrosis 61 studies Idiopathic Pulmonary Hemosiderosis 1 study Idiopathic Pulmonary Hypertension 124 studies IgA Deficiency 1 study IgG Deficiency 5 studies Ileal Diseases 352 studies Ileal Neoplasms 98 studies Ileitis 274 studies Ileus 31 studies Iliac Aneurysm 7 studies Immune Defect Due to Absence of Thymus 1 study Immune Reconstitution Inflammatory Syndrome 2 studies Immune Thrombocytopenia 5 studies Immunoblastic Lymphadenopathy 196 studies Immunoglobulin A Deficiency 1 1 study Immunoglobulin G Deficiency 5 studies Immunologic Deficiency Syndromes 3025 studies Immunoproliferative Disorders 3281 studies Impetigo 8 studies Impulse Control Disorders 45 studies Impulsive Behavior 24 studies Inappropriate ADH Syndrome 10 studies Inborn Amino Acid Metabolism Disorder 56 studies Infant, Newborn, Diseases 509 studies Infant, Premature, Diseases 94 studies Infantile Spasms 5 studies Infarction 1058 studies Infarction, Middle Cerebral Artery 11 studies Infectious Mononucleosis 6 studies Infective Endocarditis 12 studies Infertility 289 studies Infertility, Female 6 studies Infertility, Male 17 studies Inflammation 1105 studies Inflammatory Bowel Diseases 441 studies Inflammatory Breast Cancer 67 studies Influenza in Birds 77 studies Influenza, Human 589 studies Inherited Bone Marrow Failure Syndromes 2 studies Insect Bites and Stings 3 studies Insulin Resistance 514 studies Insulinoma 29 studies Intermittent Claudication 62 studies Intervertebral Disk Displacement 19 studies Intestinal Diseases 2415 studies Intestinal Diseases, Parasitic 39 studies Intestinal Fistula 14 studies Intestinal Neoplasms 1439 studies Intestinal Obstruction 45 studies Intestinal Pseudo-Obstruction 2 studies Intestinal Volvulus 4 studies Intracranial Aneurysm 19 studies Intracranial Arterial Diseases 67 studies Intracranial Arteriosclerosis 35 studies Intracranial Arteriovenous Malformations 2 studies Intracranial Embolism 10 studies Intracranial Embolism and Thrombosis 9 studies Intracranial Hemorrhage, Hypertensive 1 study Intracranial Hemorrhages 110 studies Intracranial Hypertension 46 studies Intracranial Hypotension 1 study Intracranial Thrombosis 1 study Intrahepatic Cholangiocarcinoma 2 studies Intraocular Melanoma 69 studies Intraoperative Complications 27 studies Intussusception 7 studies Iridocyclitis 3 studies Iris Neoplasms 1 study Iritis 6 studies Iron Metabolism Disorders 140 studies Iron Overload 70 studies Irritable Bowel Syndrome 125 studies Ischemia 2690 studies Ischemic Attack, Transient 53 studies Japanese Encephalitis 23 studies Jaundice 17 studies Jaundice, Neonatal 4 studies Jaundice, Obstructive 2 studies Jaw, Edentulous 16 studies Jaw, Edentulous, Partially 11 studies Jejunal Neoplasms 98 studies Jet Lag Syndrome 4 studies Job's Syndrome 11 studies Joint Diseases 1637 studies Joint Instability 4 studies Joubert Syndrome 1 2 studies Juvenile Dermatomyositis 8 studies Juvenile Myelomonocytic Leukemia 104 studies Juvenile Neuronal Ceroid Lipofuscinosis 5 studies Juvenile Osteoporosis 3 studies Juvenile Pilocytic Astrocytoma 1 study Kabuki Syndrome 1 study Kallmann Syndrome 12 studies Kaposi Sarcoma 101 studies Kaposi Varicelliform Eruption 3 studies Kartagener Syndrome 10 studies Kawasaki Syndrome 11 studies Keloid 16 studies Kennedy Disease 3 studies Keratitis 49 studies Keratitis, Herpetic 3 studies Keratoconjunctivitis 27 studies Keratoconjunctivitis Sicca 20 studies Keratoconus 27 studies Keratoderma, Palmoplantar 1 study Keratoderma, Palmoplantar, Diffuse 1 study Keratomalacia 12 studies Keratosis 75 studies Keratosis Follicularis 3 studies Keratosis, Seborrheic 2 studies Ketosis 6 studies Kidney Calculi 39 studies Kidney Cancer 683 studies Kidney Cortex Necrosis 1 study Kidney Diseases 2068 studies Kidney Diseases, Cystic 28 studies Kidney Failure 839 studies Kidney Failure, Acute 92 studies Kidney Failure, Chronic 699 studies Kidney Neoplasms 661 studies Kidney Tubular Necrosis, Acute 3 studies Klatskin's Tumor 2 studies Klebsiella 9 studies Klebsiella Infections 9 studies Klinefelter Syndrome 5 studies Klippel Trenaunay Syndrome 2 studies Klippel-Trenaunay-Weber Syndrome 2 studies Knee Dislocation 1 study Knee Injuries 30 studies Krabbe Leukodystrophy 7 studies Kwashiorkor 2 studies Kyphosis 7 studies Labor Pain 22 studies Lacerations 119 studies Lacrimal Apparatus Diseases 89 studies Lacrimal Duct Obstruction 1 study Lactose Intolerance 4 studies Lafora Disease 1 study Lambert-Eaton Myasthenic Syndrome 5 studies Lamellar Ichthyosis 9 studies Landouzy-Dejerine Muscular Dystrophy 5 studies Langerhans Cell Histiocytosis 13 studies Language Development Disorders 9 studies Language Disorders 89 studies Large Granular Lymphocyte Leukemia 84 studies Laron Syndrome 2 studies Laron-type Dwarfism 2 studies Laryngeal Carcinoma 285 studies Laryngeal Diseases 71 studies Laryngeal Edema 3 studies Laryngeal Neoplasms 75 studies Laryngeal Papillomatosis 1 study Laryngismus 1 study Laryngitis 9 studies Laryngomalacia 2 studies Laryngostenosis 1 study Lassueur-Graham-Little Syndrome 1 study LCHAD Deficiency 2 studies Lead Poisoning 15 studies Learning Disorders 18 studies Leber Miliary Aneurysm 2 studies Leber Optic Atrophy 2 studies Leg Injuries 181 studies Leg Length Inequality 2 studies Leg Ulcer 143 studies Legionellosis 2 studies Leiomyoma 77 studies Leiomyomatosis 4 studies Leiomyomatosis and Renal Cell Cancer, Hereditary 1 study Leiomyosarcoma 90 studies Leishmaniasis 58 studies Leishmaniasis, Cutaneous 31 studies Leishmaniasis, Mucocutaneous 4 studies Leishmaniasis, Visceral 19 studies Lens Diseases 184 studies Lentigo 11 studies Lentigo Maligna Melanoma 5 studies Leprosy 7 studies Leptospirosis 1 study Leriche Syndrome 1 study Lesch-Nyhan Syndrome 1 study Letterer-Siwe Disease 13 studies Leucocyte Adhesion Defect 1 study Leukemia 2298 studies Leukemia, B-Cell 365 studies Leukemia, B-cell, Chronic 896 studies Leukemia, Erythroblastic, Acute 128 studies Leukemia, Hairy Cell 160 studies Leukemia, Large Granular Lymphocytic 8 studies Leukemia, Lymphocytic, Chronic, B-Cell 911 studies Leukemia, Lymphoid 1223 studies Leukemia, Mast-Cell 29 studies Leukemia, Monocytic, Acute 126 studies Leukemia, Myelogenous, Chronic, BCR-ABL Positive 737 studies Leukemia, Myeloid 1313 studies Leukemia, Myeloid, Accelerated Phase 302 studies Leukemia, Myeloid, Acute 1035 studies Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative 215 studies Leukemia, Myeloid, Chronic-Phase 353 studies Leukemia, Myelomonocytic, Acute 158 studies Leukemia, Myelomonocytic, Chronic 309 studies Leukemia, Myelomonocytic, Juvenile 104 studies Leukemia, Plasma Cell 3 studies Leukemia, Prolymphocytic 125 studies Leukemia, Promyelocytic, Acute 96 studies Leukemia, T-Cell 243 studies Leukemia, T-cell, Chronic 2 studies Leukemia-Lymphoma, Adult T-Cell 232 studies Leukocyte Disorders 151 studies Leukocyte-Adhesion Deficiency Syndrome 7 studies Leukodystrophy 18 studies Leukodystrophy, Globoid Cell 7 studies Leukodystrophy, Metachromatic 10 studies Leukoencephalopathy, Progressive Multifocal 8 studies Leukomalacia 12 studies Leukomalacia, Periventricular 12 studies Leukopenia 100 studies Leukoplakia 19 studies Leukoplakia, Hairy 1 study Leukoplakia, Oral 14 studies Levator Syndrome 1 study Lewy Body Dementia 14 studies Lewy Body Disease 14 studies Li-Fraumeni Syndrome 1 study Lice Infestations 24 studies Lichen Planus 20 studies Lichen Planus Follicularis 1 study Lichen Planus, Oral 11 studies Lichen Sclerosis Et Atrophicus 2 studies Lichen Sclerosus et Atrophicus 2 studies Light Chain Disease 2 studies Limb-girdle Muscular Dystrophy 6 studies Limb-girdle Muscular Dystrophy Type 2A 2 studies Limb-girdle Muscular Dystrophy, Type 2B 2 studies Lip and Oral Cavity Cancer 84 studies Lip Neoplasms 6 studies Lipid Metabolism Disorders 905 studies Lipid Metabolism, Inborn Errors 186 studies Lipidoses 104 studies Lipodystrophy 75 studies Lipoma 4 studies Liposarcoma 45 studies Liposarcoma, Myxoid 2 studies Liver Abscess 1 study Liver Abscess, Amebic 1 study Liver Cirrhosis 231 studies Liver Cirrhosis, Alcoholic 7 studies Liver Cirrhosis, Biliary 21 studies Liver Cirrhosis, Experimental 1 study Liver Diseases 1894 studies Liver Diseases, Alcoholic 14 studies Liver Failure 73 studies Liver Failure, Acute 15 studies Liver Neoplasms 571 studies Lobar Atrophy of Brain 29 studies Localized Scleroderma 4 studies Loiasis 1 study Long QT Syndrome 15 studies Lordosis 1 study Lou Gehrig's Disease 112 studies Low Back Pain 253 studies Lowe Oculocerebrorenal Syndrome 2 studies Lung Diseases 5111 studies Lung Diseases, Fungal 62 studies Lung Diseases, Interstitial 181 studies Lung Diseases, Obstructive 1699 studies Lung Neoplasms 2075 studies Lupus 210 studies Lupus Erythematosus, Cutaneous 15 studies Lupus Erythematosus, Discoid 9 studies Lupus Erythematosus, Systemic 197 studies Lupus Nephritis 39 studies Lupus Vasculitis, Central Nervous System 3 studies Lyme Disease 11 studies Lyme Neuroborreliosis 2 studies Lymphadenitis 1 study Lymphangioleiomyomatosis 12 studies Lymphangioma, Cystic 1 study Lymphangiomyoma 12 studies Lymphatic Abnormalities 5 studies Lymphatic Diseases 2983 studies Lymphatic Filariasis 8 studies Lymphatic Metastasis 2 studies Lymphedema 52 studies Lymphoblastic Lymphoma 562 studies Lymphocele 1 study Lymphocytic Colitis 3 studies Lymphocytosis 4 studies Lymphohistiocytosis, Hemophagocytic 9 studies Lymphoma 2495 studies Lymphoma, AIDS-Related 26 studies Lymphoma, B-Cell 842 studies Lymphoma, B-Cell, Marginal Zone 508 studies Lymphoma, Follicular 743 studies Lymphoma, Large B-Cell, Diffuse 833 studies Lymphoma, Large-cell 831 studies Lymphoma, Large-Cell, Anaplastic 260 studies Lymphoma, Large-Cell, Immunoblastic 547 studies Lymphoma, Mantle-Cell 638 studies Lymphoma, Non-Hodgkin 1618 studies Lymphoma, Primary Cutaneous Anaplastic Large Cell 2 studies Lymphoma, Primary Effusion 2 studies Lymphoma, Small Cleaved-cell, Diffuse 1197 studies Lymphoma, Small Cleaved-cell, Follicular 3 studies Lymphoma, T-Cell 485 studies Lymphoma, T-Cell, Cutaneous 358 studies Lymphoma, T-Cell, Peripheral 40 studies Lymphomatoid Granulomatosis 136 studies Lymphomatoid Papulosis 1 study Lymphomatous Thyroiditis 2 studies Lymphopenia 16 studies Lymphoproliferative Disorders 3369 studies Lysosomal Storage Diseases 175 studies Macular Degeneration 448 studies Macular Edema 183 studies Malabsorption Syndromes 61 studies Malaria 350 studies Malaria, Cerebral 8 studies Malaria, Falciparum 144 studies Malaria, Vivax 14 studies Malformations of Cortical Development 16 studies Malignant Astrocytoma 7 studies Malignant Carcinoid Syndrome 37 studies Malignant Fibrous Histiocytoma 45 studies Malignant Germ Cell Tumor 44 studies Malignant Hyperthermia 1 study Malignant Mesenchymal Tumor 651 studies Malignant Mixed Mullerian Tumor 4 studies Malnutrition 375 studies Malocclusion 8 studies Malocclusion, Angle Class II 1 study Malocclusion, Angle Class III 1 study Mandibular Injuries 1 study Mannosidase Deficiency Diseases 5 studies Mansonelliasis 3 studies Mantle Cell Lymphoma 638 studies Marburg Hemorrhagic Fever 1 study Marburg Virus Disease 1 study Marchiafava-Micheli Disease 23 studies Marfan Syndrome 10 studies Marijuana Abuse 115 studies Marijuana Smoking 12 studies Mast Cell Disease 24 studies Mastitis 4 studies Mastocytoma 24 studies Mastocytosis 24 studies Mastocytosis, Cutaneous 3 studies Mastocytosis, Systemic 13 studies Mastoiditis 2 studies MAT Deficiency 1 study Maxillary Diseases 1 study Maxillary Sinusitis 7 studies Maxillofacial Abnormalities 19 studies Maxillofacial Injuries 4 studies McCune Albright Syndrome 11 studies Measles 65 studies Meconium Aspiration Syndrome 7 studies Mediastinal Diseases 9 studies Mediastinal Neoplasms 3 studies Mediastinitis 5 studies Medulloblastoma 158 studies Melanoma 777 studies Melanoma of the Choroid 55 studies Melanoma, Familial 33 studies Melanosis 22 studies MELAS Syndrome 3 studies Melioidosis 1 study Membranoproliferative Glomerulonephritis (type 2) 1 study Membranous Nephropathy, Idiopathic 15 studies Memory Disorders 48 studies Meniere Disease 6 studies Meningeal Neoplasms 36 studies Meningioma 103 studies Meningitis 136 studies Meningitis, Bacterial 37 studies Meningitis, Cryptococcal 24 studies Meningitis, Fungal 25 studies Meningitis, Haemophilus 3 studies Meningitis, Meningococcal 36 studies Meningitis, Pneumococcal 2 studies Meningitis, Viral 1 study Meningocele 3 studies Meningococcal Infections 101 studies Meningococcemia 8 studies Meningomyelocele 4 studies Menkes Kinky Hair Syndrome 2 studies Menkes Syndrome 2 studies Menopause 359 studies Menopause, Premature 8 studies Menorrhagia 37 studies Menstruation Disturbances 112 studies Mental Disorders 6536 studies Mental Disorders Diagnosed in Childhood 601 studies Mental Fatigue 2 studies Mental Retardation 130 studies Mercury Poisoning 1 study Merkel Cell Cancer 6 studies Mesothelioma 130 studies Metabolic Diseases 4727 studies Metabolic Disorder 4727 studies Metabolic Syndrome X 97 studies Metabolism, Inborn Errors 481 studies Metachromatic Leukodystrophy 10 studies Metaplasia 199 studies Metastatic Squamous Neck Cancer With Occult Primary 116 studies Methylmalonic Acidemia 1 study Metrorrhagia 22 studies Mevalonate Kinase Deficiency 1 study Mevalonic Aciduria 1 study Microcephaly 2 studies Microencephaly 2 studies Microphthalmia 3 studies Microphthalmos 3 studies Microsatellite Instability 4 studies Microscopic Polyangiitis 16 studies Microsporidiosis 1 study Microvascular Angina 5 studies Migraine Disorders 242 studies Migraine with Aura 25 studies Migraine without Aura 20 studies Milk Hypersensitivity 14 studies Mineralocorticoid Excess Syndrome, Apparent 1 study Miosis 3 studies Mitochondrial Diseases 28 studies Mitochondrial Myopathies 5 studies Mitochondrial Neurogastrointestinal Encephalopathy Syndrome 3 studies Mitochondrial Trifunctional Protein Deficiency 2 studies Mitral Valve Insufficiency 40 studies Mitral Valve Prolapse 18 studies Mitral Valve Stenosis 4 studies Mixed Connective Tissue Disease 4 studies Mixed Tumor, Mullerian 4 studies Miyoshi Myopathy 2 studies Mobility Limitation 7 studies Mobius Syndrome 2 studies Molluscum Contagiosum 1 study Mondini Dysplasia 1 study Monkeypox 2 studies Monoclonal Gammopathies, Benign 5 studies Monoclonal Gammopathy of Undetermined Significance 60 studies Mononeuropathies 51 studies Monosomy 4 studies Monosomy X 34 studies Mood Disorders 1652 studies Morphine Dependence 2 studies Morquio Syndrome 3 studies Motion Sickness 3 studies Motor Neuro-ophthalmic Disorders 46 studies Motor Neuron Disease 182 studies Motor Neuropathy 6 studies Motor Skills Disorders 1 study Mouth Breathing 1 study Mouth Diseases 421 studies Mouth Neoplasms 82 studies Mouth, Edentulous 19 studies Movement Disorders 759 studies Moyamoya Disease 1 study Moyamoya Disease 1 1 study Muckle-Wells Syndrome 5 studies Mucocutaneous Lymph Node Syndrome 11 studies Mucolipidoses 4 studies Mucopolysaccharidoses 34 studies Mucopolysaccharidosis I 21 studies Mucopolysaccharidosis II 8 studies Mucopolysaccharidosis IV 3 studies Mucopolysaccharidosis Type 6 4 studies Mucopolysaccharidosis Type II 9 studies Mucopolysaccharidosis VI 9 studies Mucopolysaccharidosis VII 1 study Mucormycosis 2 studies Mucositis 89 studies Muenke Syndrome 1 study Multicentric Castleman’s Disease 5 studies Multicystic Dysplastic Kidney 1 study Multifocal Choroiditis 2 studies Multiple Chemical Sensitivity 2 studies Multiple Endocrine Neoplasia 9 studies Multiple Hereditary Exostoses 3 studies Multiple Myeloma 955 studies Multiple Organ Failure 19 studies Multiple Sclerosis 393 studies Multiple Sclerosis, Chronic Progressive 21 studies Multiple Sclerosis, Relapsing-Remitting 123 studies Multiple System Atrophy 27 studies Multiple Trauma 15 studies Mumps 43 studies Muscle Cramp 26 studies Muscle Hypertonia 53 studies Muscle Hypotonia 10 studies Muscle Rigidity 20 studies Muscle Spasticity 76 studies Muscle Weakness 31 studies Muscular Atrophy 47 studies Muscular Atrophy, Spinal 21 studies Muscular Diseases 454 studies Muscular Disorders, Atrophic 64 studies Muscular Dystrophies 56 studies Muscular Dystrophies, Limb-Girdle 6 studies Muscular Dystrophy, Duchenne 32 studies Muscular Dystrophy, Duchenne and Becker Type 31 studies Muscular Dystrophy, Facioscapulohumeral 5 studies Muscular Dystrophy, Oculopharyngeal 2 studies Musculoskeletal Abnormalities 74 studies Musculoskeletal Diseases 3142 studies Mutism 3 studies Myalgic Encephalomyelitis 23 studies Myasthenia Gravis 16 studies Myasthenic Syndromes, Congenital 1 study Mycobacterium Avium Complex Infection 44 studies Mycobacterium avium-intracellulare Infection 44 studies Mycobacterium Infections 316 studies Mycobacterium Infections, Atypical 50 studies Mycoplasma Infections 10 studies Mycoplasmal Pneumonia 5 studies Mycoses 697 studies Mycosis Fungoides 321 studies Mydriasis 9 studies Myelitis 68 studies Myelitis, Transverse 7 studies Myelodysplastic Syndromes 836 studies Myelodysplastic-Myeloproliferative Diseases 233 studies Myelofibrosis 257 studies Myeloid Metaplasia 257 studies Myeloproliferative Disorders 753 studies Myocardial Infarction 606 studies Myocardial Ischemia 1935 studies Myocardial Reperfusion Injury 6 studies Myocardial Stunning 3 studies Myocarditis 6 studies Myoclonic Epilepsies, Progressive 5 studies Myoclonus 17 studies Myoclonus Epilepsy 8 studies Myofascial Pain Syndromes 195 studies Myofibroma 77 studies Myoglobinuria 1 study Myoma 9 studies Myopathies, Nemaline 1 study Myopathies, Structural, Congenital 1 study Myopathy, Myotubular 1 study Myopia 114 studies Myopia, Degenerative 3 studies Myopia, Severe 9 studies Myositis 37 studies Myositis, Inclusion Body 8 studies Myotonia 4 studies Myotonia Atrophica 18 studies Myotonia Congenita 1 study Myotonic Disorders 8 studies Myotonic Dystrophy 18 studies Myotonic Dystrophy 1 18 studies Myxoid Liposarcoma 1 study Ménétrier Disease 1 study Nail-Patella Syndrome 1 study Nails, Ingrown 1 study Nails, Malformed 1 study Narcolepsy 18 studies Nasal Obstruction 11 studies Nasal Polyps 12 studies Nasopharyngeal Carcinoma 255 studies Nasopharyngeal Neoplasms 71 studies Nausea 198 studies Neck Injuries 8 studies Neck Pain 48 studies Necrosis 732 studies Necrotizing Enterocolitis 26 studies Necrotizing Fasciitis 2 studies Needlestick Injuries 5 studies Neisseria Meningitidis 51 studies Neisseriaceae Infections 114 studies Nematode Infections 28 studies Neonatal Abstinence Syndrome 7 studies Neonatal Herpes 4 studies Neonatal Ovarian Cyst 1 study Neonatal Systemic Lupus Erythematosus 3 studies Neoplasm Circulating Cells 1 study Neoplasm Metastasis 2095 studies Neoplasm Recurrence, Local 9 studies Neoplasm, Residual 29 studies Neoplasms, Basal Cell 75 studies Neoplasms, Connective and Soft Tissue 669 studies Neoplasms, Germ Cell and Embryonal 2023 studies Neoplasms, Glandular and Epithelial 4647 studies Neoplasms, Hormone-Dependent 4 studies Neoplasms, Plasma Cell 995 studies Neoplasms, Second Primary 6 studies Neoplasms, Squamous Cell 337 studies Neoplasms, Unknown Primary 31 studies Neoplastic Syndromes, Hereditary 123 studies Neovascularization, Pathologic 174 studies Nephritis 132 studies Nephritis, Hereditary 3 studies Nephrocalcinosis 3 studies Nephrogenic Diabetes Insipidus 2 studies Nephrogenic Systemic Fibrosis 8 studies Nephrolithiasis 46 studies Nephropathic Cystinosis 8 studies Nephrosis 19 studies Nephrosis, Lipoid 5 studies Nephrotic Syndrome 21 studies Nerve Compression Syndromes 45 studies Nerve Degeneration 9 studies Nerve Sheath Neoplasms 51 studies Nervous System Malformations 64 studies Nervous System Neoplasms 890 studies Nesidioblastosis 1 study Nesidioblastosis of Pancreas 3 studies Netherton Syndrome 1 study Neural Tube Defect, Folate-sensitive 25 studies Neural Tube Defects 25 studies Neuralgia 115 studies Neuralgia, Postherpetic 62 studies Neurilemmoma 10 studies Neuritis 21 studies Neuroacanthocytosis 1 study Neurobehavioral Manifestations 514 studies Neuroblastoma 267 studies Neurocirculatory Asthenia 18 studies Neurocutaneous Syndromes 69 studies Neurocysticercosis 11 studies Neurodegenerative Diseases 1368 studies Neurodermatitis 5 studies Neuroectodermal Tumors 2014 studies Neuroectodermal Tumors, Primitive 380 studies Neuroectodermal Tumors, Primitive, Peripheral 292 studies Neuroendocrine Tumors 1066 studies Neuroepithelioma 2014 studies Neurofibroma 42 studies Neurofibroma, Plexiform 18 studies Neurofibromatoses 42 studies Neurofibromatosis 1 42 studies Neurofibromatosis 2 8 studies Neurofibromatosis Type 1 42 studies Neurofibromatosis Type 2 8 studies Neurologic Manifestations 2346 studies Neuroma 14 studies Neuroma, Acoustic 7 studies Neuromuscular Diseases 961 studies Neuromyelitis Optica 5 studies Neuronal Ceroid-Lipofuscinoses 5 studies Neuronal Migration Disorders 1 study Neurosyphilis 1 study Neurotic Disorders 6 studies Neurotoxicity Syndromes 102 studies Neutropenia 135 studies Nevi Flammei, Familial Multiple 14 studies Nevoid Basal Cell Carcinoma Syndrome 7 studies Nevus 754 studies Nevus of Ota 2 studies Nevus, Pigmented 745 studies Newcastle Disease 1 study Niemann-Pick Disease, Type A 8 studies Niemann-Pick Disease, Type B 1 study Niemann-Pick Disease, Type C 8 studies Niemann-Pick Disease, Type C1 8 studies Niemann-Pick Diseases 8 studies Night Blindness 12 studies Nocturia 14 studies Nocturnal Enuresis 9 studies Non-alcoholic Steatohepatitis (NASH) 73 studies Non-Hodgkin Lymphoma, Childhood 8 studies Non-small Cell Lung Cancer 1579 studies Nondystrophic Myotonia 3 studies Nonseminomatous Germ Cell Tumor 20 studies Noonan Syndrome 2 studies Nose Deformities, Acquired 2 studies Nose Neoplasms 3 studies Nutrition Disorders 1449 studies Nystagmus, Congenital 3 studies Nystagmus, Pathologic 9 studies Obesity 1484 studies Obesity Hypoventilation Syndrome 2 studies Obesity, Morbid 80 studies Obsessive Behavior 1 study Obsessive-Compulsive Disorder 101 studies Obstetric Labor Complications 179 studies Obstetric Labor, Premature 135 studies Occipital Horn Syndrome 1 study Occupational Diseases 36 studies Ochronosis 2 studies Ocular Cicatricial Pemphigoid 1 study Ocular Hypertension 404 studies Ocular Melanoma 20 studies Ocular Motility Disorders 47 studies Oculocerebrorenal Syndrome 3 studies Oculocutaneous Tyrosinemia 2 studies Oculopharyngeal Muscular Dystrophy 2 studies Olfaction Disorders 2 studies Oligodendroglioma 265 studies Oligohydramnios 2 studies Oligomenorrhea 1 study Oligospermia 4 studies Oliguria 1 study Omenn Syndrome 2 studies Onchocerciasis 4 studies Oncogenic Osteomalacia 1 study Onycholysis 1 study Onychomycosis 29 studies Ophthalmia Neonatorum 1 study Opioid-Related Disorders 231 studies Opitz Syndrome 9 studies Opportunistic Infections 176 studies Oppositional Defiant Disorder 18 studies Opsoclonus-Myoclonus Syndrome 4 studies Optic Atrophies, Hereditary 8 studies Optic Atrophy 8 studies Optic Atrophy 1 1 study Optic Atrophy, Autosomal Dominant 1 study Optic Atrophy, Hereditary, Leber 2 studies Optic Nerve Diseases 41 studies Optic Nerve Disorder 41 studies Optic Neuritis 16 studies Optic Neuropathy, Anterior Ischemic 11 studies Optic Neuropathy, Ischemic 13 studies Oral Cancer 121 studies Oral Facial Digital Syndrome 1 study Oral Facial Dyskinesia 16 studies Oral Leukoplakia 12 studies Oral Lichen Planus 11 studies Oral Manifestations 3 studies Oral Squamous Cell Carcinoma 5 studies Oral Ulcer 8 studies Orbital Diseases 22 studies Orbital Fractures 2 studies Orbital Lymphoma 1 study Ornithine Aminotransferase Deficiency 2 studies Ornithine Carbamoyltransferase Deficiency Disease 5 studies Ornithine Transcarbamylase Deficiency 5 studies Orofaciodigital Syndromes 1 study Oropharyngeal Cancer, Adult 4 studies Oropharyngeal Neoplasms 23 studies Orthomyxoviridae Infections 487 studies Orthostatic Intolerance 18 studies Ossification, Heterotopic 2 studies Osteitis 15 studies Osteitis Deformans 20 studies Osteoarthritis 676 studies Osteoarthritis, Hip 66 studies Osteoarthritis, Knee 281 studies Osteochondritis 3 studies Osteochondritis Dissecans 1 study Osteochondrodysplasias 38 studies Osteochondromatosis 3 studies Osteogenesis Imperfecta 13 studies Osteogenic Sarcoma 179 studies Osteolysis 3 studies Osteomalacia 7 studies Osteomyelitis 9 studies Osteonecrosis 74 studies Osteopetrosis 7 studies Osteoporosis 566 studies Osteoporosis, Postmenopausal 121 studies Osteoradionecrosis 3 studies Osteosarcoma 179 studies Otitis 77 studies Otitis Externa 3 studies Otitis Media 68 studies Otitis Media with Effusion 16 studies Otitis Media, Suppurative 2 studies Otorhinolaryngologic Diseases 886 studies Otorhinolaryngologic Neoplasms 139 studies Otosclerosis 2 studies Ovarian Cancer 865 studies Ovarian Carcinosarcoma 13 studies Ovarian Cysts 105 studies Ovarian Diseases 983 studies Ovarian Dwarfism 34 studies Ovarian Epithelial Cancer 541 studies Ovarian Failure, Premature 24 studies Ovarian Hyperstimulation Syndrome 15 studies Ovarian Low Malignant Potential Tumor 2 studies Ovarian Neoplasms 865 studies Overdose 3 studies Overnutrition 1210 studies Overweight 1329 studies Oxalosis 6 studies Pachyonychia Congenita 1 study Paget Disease 20 studies Paget's Disease, Extramammary 1 study Pain 3055 studies Pain, Intractable 20 studies Pain, Postoperative 299 studies Pallister-Hall Syndrome 1 study Palmoplantar Keratoderma 1 study Palmoplantar Keratoderma, Epidermolytic 1 study Pancoast's Syndrome 3 studies Pancreatic Cyst 7 studies Pancreatic Diseases 982 studies Pancreatic Fistula 5 studies Pancreatic Islet Cell Tumors 39 studies Pancreatic Neoplasms 669 studies Pancreatic Pseudocyst 3 studies Pancreatitis 81 studies Pancreatitis, Acute Necrotizing 4 studies Pancreatitis, Alcoholic 3 studies Pancreatitis, Chronic 39 studies Pancytopenia 34 studies Panhypopituitarism 3 studies Panic Disorder 81 studies Panuveitis 40 studies Papillary Renal Cell Carcinoma 16 studies Papilledema 3 studies Papillitis 16 studies Papilloma 103 studies Papillomavirus Infections 90 studies Paraganglioma 23 studies Parainfluenza Virus Type 3 5 studies Paralyses, Familial Periodic 3 studies Paralysis 223 studies Paralysis, Hyperkalemic Periodic 1 study Paramyotonia Congenita 2 studies Paramyxoviridae Infections 70 studies Paranasal Sinus Neoplasms 3 studies Paraneoplastic Syndromes 26 studies Paraneoplastic Syndromes, Nervous System 15 studies Paranoid Disorders 4 studies Paraparesis 12 studies Paraparesis, Spastic 9 studies Paraparesis, Tropical Spastic 10 studies Paraphilias 3 studies Paraplegia 18 studies Paraproteinemias 917 studies Parapsoriasis 2 studies Parasitemia 5 studies Parasitic Diseases 548 studies Parathyroid Diseases 115 studies Parathyroid Neoplasms 8 studies Paratuberculosis 1 study Paratyphoid Fever 5 studies Paresis 35 studies Paresthesia 10 studies Parkes Weber Syndrome 2 studies Parkinson Disease 502 studies Parkinson Disease, Secondary 1 study Parkinsonian Disorders 502 studies Parotid Neoplasms 1 study Paroxysmal Nocturnal Hemoglobinuria 23 studies Paroxysmal Ventricular Fibrillation 66 studies Parvoviridae Infections 6 studies Passive-Aggressive Personality Disorder 1 study Patau Syndrome 2 studies Patellar Dislocation 4 studies Patellofemoral Pain Syndrome 14 studies Patent Ductus Arteriosus 19 studies Pathological Conditions, Anatomical 686 studies Peanut Hypersensitivity 13 studies Pearson Syndrome 2 studies Pediatric Ulcerative Colitis 2 studies Pedophilia 2 studies Pelvic Infection 7 studies Pelvic Inflammatory Disease 14 studies Pelvic Neoplasms 12 studies Pelvic Pain 97 studies Pemphigoid, Benign Mucous Membrane 2 studies Pemphigoid, Bullous 9 studies Pemphigus 16 studies Pemphigus Vulgaris 8 studies Pemphigus, Benign Familial 1 study Penile Induration 2 studies Penile Neoplasms 7 studies Pentalogy of Cantrell 2 studies Peptic Ulcer 106 studies Peptic Ulcer Hemorrhage 19 studies Peptic Ulcer Perforation 3 studies Perceptual Disorders 38 studies Periapical Diseases 7 studies Periapical Periodontitis 5 studies Periarthritis 4 studies Pericardial Effusion 10 studies Pericarditis 6 studies Pericarditis, Constrictive 1 study Pericarditis, Tuberculous 1 study Periodontal Attachment Loss 3 studies Periodontal Diseases 96 studies Periodontitis 43 studies Peripheral Nervous System Diseases 469 studies Peripheral Nervous System Neoplasms 30 studies Peripheral Neuroectodermal Tumor 110 studies Peripheral T-cell Lymphoma 38 studies Peripheral Vascular Diseases 259 studies Peritoneal Diseases 306 studies Peritoneal Neoplasms 279 studies Peritonitis 28 studies Periventricular Leukomalacia 11 studies Peroxisomal Disorders 16 studies Persian Gulf Syndrome 10 studies Persistent Fetal Circulation Syndrome 11 studies Persistent Hyperinsulinemia Hypoglycemia of Infancy 3 studies Persistent Vegetative State 4 studies Personality Disorders 65 studies Peutz-Jeghers Syndrome 5 studies Peyronie Disease 2 studies Phantom Limb 22 studies Pharyngeal Diseases 193 studies Pharyngeal Neoplasms 110 studies Pharyngitis 24 studies Phenylketonuria, Maternal 1 study Phenylketonurias 24 studies Pheochromocytoma 30 studies Philadelphia Chromosome 154 studies Phlebitis 26 studies Phobic Disorders 85 studies Phosphate Diabetes 2 studies Phosphoglycerate Kinase Deficiency 1 study Photophobia 5 studies Photosensitive Epilepsy 5 studies Photosensitivity Disorders 16 studies Phyllodes Tumor 2 studies Phytanic Acid Oxidase Deficiency 2 studies Pick Disease of the Brain 29 studies Picornaviridae Infections 106 studies Piebaldism 1 study Pigment-dispersion Syndrome 3 studies Pigmentary Retinopathy 35 studies Pigmentation Disorders 56 studies Pilomatrixoma 2 studies Pilonidal Sinus 4 studies Pinealoma 35 studies Pituitary ACTH Hypersecretion 10 studies Pituitary Diseases 200 studies Pituitary Neoplasms 31 studies Pityriasis 1 study Pityriasis Rubra Pilaris 1 study Placenta Previa 1 study Placenta, Retained 2 studies Placental Insufficiency 2 studies Plague 4 studies Plasma Cell Leukemia 3 studies Plasmacytoma 68 studies Plasmacytoma Anaplastic 68 studies Platelet Storage Pool Deficiency 7 studies Platybasia 1 study Pleural Diseases 69 studies Pleural Effusion 68 studies Pleural Effusion, Malignant 38 studies Pleural Neoplasms 29 studies Pleurisy 8 studies Pleuropneumonia 10 studies Pleuropulmonary Blastoma 2 studies Pneumococcal Infections 51 studies Pneumoconiosis 4 studies Pneumocystis Infections 58 studies Pneumocystosis 45 studies Pneumonia 415 studies Pneumonia, Aspiration 8 studies Pneumonia, Bacterial 42 studies Pneumonia, Eosinophilic 1 study Pneumonia, Mycoplasma 5 studies Pneumonia, Pneumococcal 10 studies Pneumonia, Pneumocystis 60 studies Pneumonia, Staphylococcal 1 study Pneumonia, Ventilator-Associated 61 studies Pneumonia, Viral 1 study Pneumoperitoneum 6 studies Pneumothorax 22 studies Poisoning 130 studies Poliomyelitis 74 studies Polyarteritis Nodosa 7 studies Polyarthritis 5 studies Polycystic Kidney Diseases 27 studies Polycystic Kidney, Autosomal Dominant 21 studies Polycystic Kidney, Autosomal Recessive 2 studies Polycystic Liver Disease 3 studies Polycystic Ovarian Syndrome 104 studies Polycystic Ovary Syndrome 104 studies Polycythemia 128 studies Polycythemia Vera 124 studies Polydactyly 2 studies Polyhydramnios 3 studies Polymyalgia Rheumatica 13 studies Polymyositis 25 studies Polyneuropathies 74 studies Polyomavirus Infections 9 studies Polyps 114 studies Polyradiculoneuropathy 13 studies Polyradiculoneuropathy, Chronic Inflammatory Demyelinating 8 studies Porokeratosis 1 study Porphyria Cutanea Tarda 3 studies Porphyria, Acute Intermittent 3 studies Porphyria, Congenital Erythropoietic 15 studies Porphyria, Erythropoietic 15 studies Porphyrias 15 studies Porphyrias, Hepatic 8 studies Port-Wine Stain 14 studies Portal Hypertension 47 studies Portal Thrombosis 1 study Portal Vein Thrombosis 1 study Post Polio Syndrome 7 studies Post-Concussion Syndrome 8 studies Post-Dural Puncture Headache 5 studies Post-transplant Lymphoproliferative Disease 5 studies Post-traumatic Epilepsy 2 studies Post-Traumatic Headache 5 studies Posterior Tibial Tendon Dysfunction 2 studies Postoperative Complications 467 studies Postoperative Hemorrhage 18 studies Postoperative Nausea and Vomiting 52 studies Postpartum Hemorrhage 19 studies Postpartum Thyroiditis 1 study Postpericardiotomy Syndrome 1 study Postphlebitic Syndrome 27 studies Postpoliomyelitis Syndrome 7 studies Postthrombotic Syndrome 27 studies Postural Hypotension 29 studies Postural Orthostatic Tachycardia Syndrome 14 studies Pouchitis 4 studies Poxviridae Disease 1 study Poxviridae Infections 61 studies Prader-Willi Syndrome 14 studies Pre-Eclampsia 85 studies Pre-Excitation Syndromes 2 studies Precancerous Conditions 954 studies Precocious Puberty 17 studies Precursor B-Cell Lymphoblastic Leukemia-Lymphoma 3 studies Precursor Cell Lymphoblastic Leukemia-Lymphoma 814 studies Precursor T-Cell Lymphoblastic Leukemia-Lymphoma 14 studies Prediabetic State 73 studies Pregnancy Complications 496 studies Pregnancy Complications, Cardiovascular 1 study Pregnancy Complications, Infectious 35 studies Pregnancy in Diabetics 8 studies Pregnancy, Ectopic 6 studies Pregnancy, Prolonged 5 studies Pregnancy, Tubal 1 study Preleukemia 836 studies Premature Birth 130 studies Premenstrual Syndrome 30 studies Prenatal Exposure Delayed Effects 4 studies Presbycusis 4 studies Presbyopia 9 studies Pressure Ulcer 38 studies Priapism 2 studies Primary Agammaglobulinemia 4 studies Primary Aldosteronism 8 studies Primary Amyloidosis 21 studies Primary Biliary Cirrhosis 20 studies Primary Ciliary Dyskinesia 10 studies Primary Effusion Lymphoma 17 studies Primary Immunodeficiency Disorders 4 studies Primary Progressive Aphasia 29 studies Primary Sclerosing Cholangitis 10 studies Prinzmetal's Variant Angina 3 studies Prion Diseases 2 studies Proctitis 3 studies Progeria 4 studies Progressive Multifocal Leukoencephalopathy 8 studies Progressive Spinal Muscular Atrophy 21 studies Progressive Supranuclear Palsy 15 studies Prolactinoma 5 studies Prolapse 88 studies Prolymphocytic Leukemia 125 studies Propionic Acidemia 1 study Prostate Cancer, Familial 1 study Prostatic Diseases 1487 studies Prostatic Hyperplasia 125 studies Prostatic Intraepithelial Neoplasia 10 studies Prostatic Neoplasms 1398 studies Prostatitis 23 studies Prosthesis-Related Infections 1 study Protein C Deficiency 2 studies Protein Deficiency 5 studies Protein-Energy Malnutrition 5 studies Proteinuria 137 studies Proteus Infections 2 studies Proteus Syndrome 1 study Protoporphyria 3 studies Protoporphyria, Erythropoietic 3 studies Protozoan Infections 458 studies Prurigo 3 studies Prurigo Nodularis 3 studies Pruritus 64 studies Pseudarthrosis 4 studies Pseudo-Turner Syndrome 2 studies Pseudohermaphroditism 2 studies Pseudohypoaldosteronism 4 studies Pseudohypoaldosteronism Type 1, Autosomal Recessive 1 study Pseudohypoparathyroidism 4 studies Pseudomonas Infections 8 studies Pseudomyxoma Peritonei 4 studies Pseudophakia 4 studies Pseudopseudohypoparathyroidism 2 studies Pseudotumor Cerebri 45 studies Pseudoxanthoma Elasticum 4 studies Psoriasis 341 studies Psychomotor Agitation 136 studies Psychoses, Substance-Induced 2 studies Psychotic Disorders 1474 studies Pterygium 22 studies Pterygium of the Conjunctiva 22 studies Puberty, Delayed 2 studies Puberty, Precocious 18 studies Puerperal Disorders 57 studies Puerperal Infection 1 study Pulmonary Alveolar Proteinosis 2 studies Pulmonary Arteriovenous Malformation 5 studies Pulmonary Atresia 2 studies Pulmonary Blastoma 2 studies Pulmonary Disease, Chronic Obstructive 705 studies Pulmonary Edema 29 studies Pulmonary Edema of Mountaineers 6 studies Pulmonary Embolism 122 studies Pulmonary Emphysema 117 studies Pulmonary Eosinophilia 1 study Pulmonary Fibrosis 85 studies Pulmonary Heart Disease 7 studies Pulmonary Valve Insufficiency 5 studies Pulmonary Valve Stenosis 5 studies Pulmonary Veins Stenosis 4 studies Pulmonary Veno-Occlusive Disease 2 studies Pulmonic Stenosis 5 studies Pulpitis 2 studies Pure Red Cell Aplasia 14 studies Purine-Pyrimidine Metabolism, Inborn Errors 27 studies Purpura 89 studies Purpura, Schoenlein-Henoch 4 studies Purpura, Thrombocytopenic 85 studies Purpura, Thrombocytopenic, Idiopathic 52 studies Purpura, Thrombotic Thrombocytopenic 10 studies Pyelonephritis 16 studies Pyloric Stenosis 3 studies Pyloric Stenosis, Hypertrophic 1 study Pyoderma 8 studies Pyoderma Gangrenosum 3 studies Pyropoikilocytosis 1 study Pyrosis 61 studies Pyuria 3 studies Q Fever 1 study Quadriplegia 23 studies Quality of Life 1072 studies Rabies 17 studies Radiation Injuries 24 studies Radiation Pneumonitis 2 studies Radiculopathy 27 studies Radiodermatitis 6 studies Radius Fractures 28 studies Rare Diseases 348 studies Rasmussen Encephalitis 2 studies Raynaud Disease 19 studies Reactive Attachment Disorder 1 study Rectal Cancer 653 studies Rectal Diseases 1363 studies Rectal Fistula 10 studies Rectal Neoplasms 652 studies Rectal Prolapse 47 studies Rectocele 10 studies Recurrence 5360 studies Recurrent Respiratory Papillomatosis 7 studies Red-Cell Aplasia, Pure 27 studies Reflex Sympathetic Dystrophy 9 studies Reflex Sympathetic Dystrophy Syndrome 9 studies Reflex, Abnormal 4 studies Refractive Errors 135 studies Refractory Anemia 189 studies Refsum Disease 2 studies Refsum Disease, Infantile 2 studies Refsum Disease, Infantile Form 2 studies Reiter's Syndrome 5 studies Relapsing Fever 1 study REM Sleep Behavior Disorder 2 studies Renal Artery Obstruction 17 studies Renal Artery Stenosis 18 studies Renal Cancer 683 studies Renal Insufficiency 878 studies Renal Insufficiency, Acute 83 studies Renal Insufficiency, Chronic 705 studies Renal Osteodystrophy 14 studies Reperfusion Injury 56 studies Respiration Disorders 1083 studies Respiratory Aspiration 2 studies Respiratory Distress Syndrome, Adult 197 studies Respiratory Distress Syndrome, Infant 5 studies Respiratory Distress Syndrome, Newborn 18 studies Respiratory Hypersensitivity 1180 studies Respiratory Insufficiency 156 studies Respiratory Paralysis 1 study Respiratory Sounds 22 studies Respiratory Syncytial Virus Infections 22 studies Respiratory Tract Diseases 6728 studies Respiratory Tract Infections 1595 studies Respirovirus Infections 1 study Restless Legs Syndrome 72 studies Retinal Artery Occlusion 3 studies Retinal Degeneration 472 studies Retinal Detachment 23 studies Retinal Diseases 769 studies Retinal Hemorrhage 1 study Retinal Neoplasms 38 studies Retinal Neovascularization 4 studies Retinal Perforations 13 studies Retinal Vasculitis 6 studies Retinal Vein Occlusion 45 studies Retinitis 99 studies Retinitis Pigmentosa 35 studies Retinitis Pigmentosa-deafness Syndrome 5 studies Retinoblastoma 43 studies Retinopathy of Prematurity 28 studies Retinoschisis 2 studies Retrocochlear Diseases 25 studies Retrognathism 1 study Retroperitoneal Fibrosis 1 study Retroperitoneal Neoplasms 1 study Retroviridae Infections 2878 studies Rett Syndrome 12 studies Rh Isoimmunization 1 study Rhabdoid Tumor 40 studies Rhabdomyolysis 6 studies Rhabdomyosarcoma 162 studies Rhabdomyosarcoma, Childhood 124 studies Rhabdomyosarcoma, Embryonal 5 studies Rheumatic Diseases 1505 studies Rheumatic Fever 7 studies Rheumatic Heart Disease 6 studies Rhinitis 353 studies Rhinitis, Allergic, Perennial 70 studies Rhinitis, Allergic, Seasonal 185 studies Rhinitis, Atrophic 2 studies Rhinitis, Vasomotor 5 studies Rhinoscleroma 1 study Rib Fractures 6 studies Richter Syndrome 5 studies Rickets 28 studies Rickettsia Infections 3 studies Rickettsial Disease 3 studies Rickettsiosis 3 studies Rift Valley Fever 4 studies Rod Myopathy 1 study Root Resorption 1 study Rosacea 23 studies Rotavirus Infections 15 studies Roussy Levy Hereditary Areflexic Dystasia 45 studies Rubella 44 studies Rupture 58 studies Salivary Gland Cancer, Adult 2 studies Salivary Gland Diseases 205 studies Salivary Gland Neoplasms 13 studies Salmonella Infections 14 studies Sandhoff Disease 6 studies Sarcoidosis 53 studies Sarcoidosis, Pulmonary 9 studies Sarcoma 651 studies Sarcoma, Alveolar Soft Part 25 studies Sarcoma, Clear Cell 22 studies Sarcoma, Endometrial Stromal 16 studies Sarcoma, Ewing's 135 studies Sarcoma, Kaposi 107 studies Sarcoma, Synovial 50 studies Scabies 6 studies Scheuermann's Disease 1 study Schistosomiasis 15 studies Schistosomiasis haematobia 3 studies Schistosomiasis mansoni 2 studies Schizophrenia 1069 studies Schizophrenia and Disorders with Psychotic Features 1046 studies Schizophrenia, Catatonic 1 study Schizophrenia, Childhood 2 studies Schizophrenia, Disorganized 1 study Schizophrenia, Paranoid 13 studies Schizotypal Personality Disorder 7 studies Schnitzler Syndrome 1 study Sciatica 27 studies Scleritis 5 studies Scleroderma 102 studies Scleroderma, Diffuse 70 studies Scleroderma, Localized 19 studies Scleroderma, Systemic 77 studies Sclerosis 627 studies Scoliosis 31 studies Scotoma 7 studies Scott Syndrome 1 study Scrub Typhus 2 studies Seasonal Affective Disorder 14 studies Sebaceous Gland Diseases 104 studies Secondary Pulmonary Hypertension 12 studies Seizures 283 studies Seizures, Febrile 1 study Self Mutilation 3 studies Self-Injurious Behavior 48 studies Seminoma 40 studies Senior Loken Syndrome 1 study Sensation Disorders 239 studies Sensorineural Hearing Loss 23 studies Sepsis 352 studies Septo-Optic Dysplasia 12 studies Seroma 10 studies Serotonin Syndrome 37 studies Severe Acute Respiratory Syndrome 11 studies Severe Combined Immunodeficiency 23 studies Severe Combined Immunodeficiency, X-linked 5 studies Severe Congenital Neutropenia 8 studies Sex Chromosome Aberrations 1 study Sex Cord-Gonadal Stromal Tumors 1 study Sex Differentiation Disorders 67 studies Sexual Dysfunction, Physiological 178 studies Sexual Dysfunctions, Psychological 216 studies Sexually Transmitted Diseases 2965 studies Sexually Transmitted Diseases, Viral 2907 studies Sezary Syndrome 321 studies Shaken Baby Syndrome 2 studies Shared Paranoid Disorder 1 study Sharp Syndrome 4 studies Shigellosis 9 studies Shock 230 studies Shock, Cardiogenic 17 studies Shock, Hemorrhagic 7 studies Shock, Septic 86 studies Shock, Traumatic 4 studies Short Bowel Syndrome 14 studies Shoulder Dislocation 9 studies Shoulder Fractures 6 studies Shoulder Impingement Syndrome 8 studies Shoulder Pain 36 studies Shwachman-Diamond Syndrome 5 studies Shy-Drager Syndrome 8 studies Sialorrhea 10 studies Sick Sinus Syndrome 21 studies Sickle Cell Anemia 156 studies Sickle Cell Trait 5 studies Siderosis 2 studies Sigmoid Neoplasms 1 study Signs and Symptoms 6761 studies Signs and Symptoms, Digestive 644 studies Signs and Symptoms, Respiratory 353 studies Silicosis 1 study Single Ventricular Heart 16 studies Sinus Cancer 4 studies Sinusitis 75 studies Sitosterolemia 10 studies Situs Inversus 14 studies Situs Inversus Viscerum 14 studies Sjogren's Syndrome 36 studies Skeletal Dysplasias 2 studies Skin Abnormalities 65 studies Skin Diseases 4580 studies Skin Diseases, Bacterial 47 studies Skin Diseases, Eczematous 207 studies Skin Diseases, Genetic 219 studies Skin Diseases, Infectious 331 studies Skin Diseases, Papulosquamous 369 studies Skin Diseases, Vesiculobullous 41 studies Skin Neoplasms 141 studies Skin Ulcer 182 studies Sleep Apnea Syndromes 328 studies Sleep Apnea, Central 9 studies Sleep Apnea, Obstructive 228 studies Sleep Deprivation 31 studies Sleep Disorders 757 studies Sleep Disorders, Circadian Rhythm 21 studies Sleep Disorders, Intrinsic 598 studies Sleep Initiation and Maintenance Disorders 205 studies Sleep-Wake Transition Disorders 1 study Sly Syndrome 1 study Small Non-cleaved Cell Lymphoma 227 studies Smallpox 46 studies Smith-Lemli-Opitz Syndrome 9 studies Smith-Magenis Syndrome 4 studies Smoking 583 studies Snake Bites 8 studies Snoring 18 studies Soft Tissue Infections 22 studies Soft Tissue Injuries 10 studies Soft Tissue Neoplasms 8 studies Soft Tissue Sarcomas 651 studies Somatoform Disorders 50 studies Somatosensory Disorders 38 studies Spasm 46 studies Spasmodic Dysphonia 9 studies Spasms, Infantile 7 studies Spastic Dysphonia 9 studies Spastic Paraparesis 9 studies Spastic Paraplegia 3, Autosomal Dominant 1 study Spastic Paraplegia Epilepsy Mental Retardation 34 studies Spastic Paraplegia, Hereditary 1 study Speech Disorders 65 studies Spherocytosis 1 study Sphincter of Oddi Dysfunction 2 studies Sphingolipidoses 101 studies Spielmeyer-Vogt Disease 5 studies Spina Bifida 16 studies Spinal Cord Compression 10 studies Spinal Cord Diseases 413 studies Spinal Cord Injuries 192 studies Spinal Cord Neoplasms 34 studies Spinal Diseases 275 studies Spinal Dysraphism 16 studies Spinal Fractures 27 studies Spinal Injuries 28 studies Spinal Muscular Atrophies of Childhood 6 studies Spinal Muscular Atrophy 21 studies Spinal Neoplasms 6 studies Spinal Shock 1 study Spinal Stenosis 36 studies Spinocerebellar Ataxias 8 studies Spinocerebellar Degenerations 21 studies Splenomegaly 5 studies Spondylarthritis 130 studies Spondylarthropathies 126 studies Spondylitis 79 studies Spondylitis, Ankylosing 77 studies Spondylolisthesis 27 studies Spondylolysis 1 study Spongiform Encephalopathy 2 studies Sporotrichosis 3 studies Sprains and Strains 54 studies Sprue, Tropical 2 studies Squamous Cell Carcinoma 674 studies Staphylococcal Infections 107 studies Staphylococcal Scalded Skin Syndrome 1 study Staphylococcal Skin Infections 25 studies Starvation 4 studies Status Asthmaticus 12 studies Status Epilepticus 11 studies Steatorrhea 11 studies Stevens-Johnson Syndrome 4 studies Stiff-Person Syndrome 3 studies Still's Disease 4 studies Still's Disease, Adult-Onset 1 study Stomach Cancer 421 studies Stomach Diseases 518 studies Stomach Neoplasms 421 studies Stomach Ulcer 34 studies Stomatitis 55 studies Stomatitis, Aphthous 10 studies Stomatitis, Denture 1 study Stomatognathic Diseases 679 studies Storage Pool Platelet Disease 5 studies Strabismus 22 studies Streptococcal Group A Invasive Disease 1 study Streptococcal Infections 89 studies Stress 971 studies Stress Disorders, Post-Traumatic 305 studies Stress Disorders, Traumatic 309 studies Stress Disorders, Traumatic, Acute 6 studies Stress, Psychological 31 studies Stroke 853 studies Strongyloidiasis 3 studies Sturge-Weber Syndrome 2 studies Stuttering 13 studies Subarachnoid Hemorrhage 57 studies Subdural Effusion 1 study Substance Abuse, Intravenous 10 studies Substance Withdrawal Syndrome 24 studies Substance-Related Disorders 1231 studies Sudden Infant Death 3 studies Sudden Infant Death Syndrome 3 studies Suicide 55 studies Suicide, Assisted 1 study Suicide, Attempted 21 studies Sunburn 4 studies Superior Vena Cava Syndrome 1 study Suppuration 70 studies Supranuclear Palsy, Progressive 15 studies Supratentorial Neoplasms 19 studies Surgical Wound Dehiscence 4 studies Surgical Wound Infection 26 studies Sydenham's Chorea 2 studies Syncope 31 studies Syncope, Vasovagal 10 studies Syndactyly 2 studies Syndrome of Inappropriate Antidiuretic Hormone 10 studies Synovial Cyst 1 study Synovial Sarcoma 49 studies Synovitis 16 studies Syphilis 17 studies Syringomyelia 3 studies Systemic Inflammatory Response Syndrome 308 studies Systemic Mastocytosis 12 studies T Cell Immunodeficiency Primary 1 study T-Lymphocytopenia 2 studies T-Lymphocytopenia, Idiopathic CD4-Positive 2 studies Tachycardia 136 studies Tachycardia, Atrioventricular Nodal Reentry 4 studies Tachycardia, Ectopic Atrial 1 study Tachycardia, Paroxysmal 1 study Tachycardia, Sinus 3 studies Tachycardia, Supraventricular 11 studies Tachycardia, Ventricular 72 studies Taeniasis 11 studies Takayasu Arteritis 4 studies Tako-Tsubo Syndrome 1 study Takotsubo Cardiomyopathy 1 study Talipes Equinovarus 10 studies Tangier Disease 1 study Tardive Dyskinesia 16 studies Taste Disorders 3 studies Tay-Sachs Disease 8 studies Telangiectasia, Hereditary Hemorrhagic 16 studies Telangiectasis 42 studies Temporal Arteritis 13 studies Temporomandibular Joint Disorders 21 studies Temporomandibular Joint Dysfunction Syndrome 21 studies Tendinopathy 23 studies Tendon Injuries 23 studies Tennis Elbow 22 studies Tenosynovitis 3 studies Tension-Type Headache 11 studies Teratoma 70 studies Testicular Cancer 160 studies Testicular Diseases 33 studies Testicular Hydrocele 1 study Testicular Neoplasms 160 studies Testotoxicosis 1 study Tetanus 152 studies Tetrahydrobiopterin Deficiencies 3 studies Tetralogy of Fallot 17 studies Thalassemia 101 studies Thalassemia Minor 42 studies Thinness 1 study Thoracic Diseases 10 studies Thoracic Injuries 10 studies Thoracic Neoplasms 2009 studies Thoracic Outlet Syndrome 1 study Thrombasthenia 2 studies Thrombasthenia of Glanzmann and Naegeli 2 studies Thromboangiitis Obliterans 1 study Thrombocythemia, Hemorrhagic 121 studies Thrombocytopathy 206 studies Thrombocytopenia 182 studies Thrombocytopenic Purpura, Autoimmune 47 studies Thrombocytosis 122 studies Thromboembolism 215 studies Thrombophilia 38 studies Thrombophlebitis 8 studies Thrombosis 573 studies Thrombotic Thrombocytopenic Purpura, Acquired 9 studies Thymoma 21 studies Thymus Neoplasms 15 studies Thyroid Cancer, Anaplastic 24 studies Thyroid Cancer, Follicular 34 studies Thyroid Cancer, Medullary 46 studies Thyroid Cancer, Papillary 40 studies Thyroid Diseases 188 studies Thyroid Neoplasms 139 studies Thyroid Nodule 18 studies Thyroiditis 4 studies Thyroiditis, Autoimmune 3 studies Thyrotropin Deficiency, Isolated 1 study Tibial Fractures 25 studies Tic Disorders 53 studies Tick-Borne Diseases 37 studies Tick-borne Encephalitis 16 studies Tics 53 studies Tinea 48 studies Tinea Capitis 5 studies Tinea Pedis 14 studies Tinea Versicolor 1 study Tinnitus 41 studies Tobacco Use Disorder 198 studies Togaviridae Infections 33 studies Tomaculous Neuropathy 45 studies Tongue Neoplasms 1 study Tonsillitis 20 studies Tooth Abnormalities 2 studies Tooth Abrasion 1 study Tooth Discoloration 2 studies Tooth Diseases 134 studies Tooth Erosion 1 study Tooth Loss 8 studies Tooth, Impacted 6 studies Tooth, Nonvital 1 study Toothache 28 studies Torsades de Pointes 1 study Torticollis 31 studies Torulopsis 36 studies Tourette Syndrome 49 studies Toxemia 21 studies Toxic Epidermal Necrolysis 1 study Toxocariasis 1 study Toxoplasmosis 15 studies Toxoplasmosis, Cerebral 10 studies Toxoplasmosis, Congenital 1 study Tracheal Stenosis 2 studies Tracheitis 1 study Tracheobronchomalacia 3 studies Trachoma 13 studies Transitional Cell Carcinoma 152 studies Transposition of Great Arteries 10 studies Transposition of Great Vessels 10 studies Transsexualism 3 studies Transverse Myelitis 5 studies Trauma, Nervous System 425 studies Tremor 43 studies Trichomonas Infections 7 studies Trichomonas Vaginitis 5 studies Trichothiodystrophy 1 study Trichotillomania 10 studies Trichuriasis 2 studies Tricuspid Atresia 4 studies Tricuspid Valve Insufficiency 2 studies Trigeminal Neuralgia 7 studies Trismus 4 studies Trisomy 8 studies Trophoblastic Neoplasms 69 studies Tropical Spastic Paraparesis 10 studies Tropical Sprue 2 studies Truncus Arteriosus, Persistent 1 study Trypanosomiasis 15 studies Trypanosomiasis, African 5 studies Tuberculosis 251 studies Tuberculosis, Meningeal 1 study Tuberculosis, Multidrug-Resistant 11 studies Tuberculosis, Pleural 3 studies Tuberculosis, Pulmonary 52 studies Tuberculous Meningitis 1 study Tuberous Sclerosis 13 studies Tularemia 2 studies Tumor Lysis Syndrome 10 studies Turner Syndrome 34 studies Turner-like Syndrome 2 studies Twin Twin Transfusion Syndrome 1 study Tylosis 75 studies Tympanic Membrane Perforation 4 studies Typhoid 12 studies Typhoid Fever 12 studies Typhus 2 studies Typhus, Epidemic Louse-Borne 2 studies Tyrosine Transaminase Deficiency 2 studies Tyrosinemias 2 studies Ulcer 552 studies Unconsciousness 40 studies Unverricht-Lundborg Syndrome 4 studies Urea Cycle Disorders 9 studies Ureaplasma Infections 1 study Uremia 19 studies Ureteral Calculi 18 studies Ureteral Diseases 71 studies Ureteral Neoplasms 50 studies Ureteral Obstruction 8 studies Ureterolithiasis 18 studies Urethral Cancer 50 studies Urethral Neoplasms 38 studies Urethral Stricture 2 studies Urethritis 3 studies Urinary Bladder Calculi 1 study Urinary Bladder Diseases 496 studies Urinary Bladder Neck Obstruction 8 studies Urinary Bladder Neoplasms 302 studies Urinary Bladder, Neurogenic 20 studies Urinary Bladder, Overactive 154 studies Urinary Calculi 49 studies Urinary Incontinence 242 studies Urinary Incontinence, Stress 76 studies Urinary Incontinence, Urge 43 studies Urinary Retention 76 studies Urinary Tract Infections 107 studies Urinary Tract Neoplasm 818 studies Urination Disorders 335 studies Urogenital Abnormalities 58 studies Urogenital Neoplasms 3165 studies Urolithiasis 64 studies Urologic Diseases 2769 studies Urologic Neoplasms 818 studies Urticaria 73 studies Urticaria Pigmentosa 3 studies Usher Syndrome, Type 1 1 study Usher Syndromes 5 studies Uterine Cervical Diseases 95 studies Uterine Cervical Dysplasia 33 studies Uterine Cervical Incompetence 1 study Uterine Cervical Neoplasms 83 studies Uterine Diseases 414 studies Uterine Hemorrhage 66 studies Uterine Inertia 3 studies Uterine Neoplasms 317 studies Uterine Perforation 1 study Uterine Prolapse 23 studies Uterine Rupture 2 studies Uterine Sarcoma 92 studies Uveal Melanoma 69 studies Uveal Neoplasms 2 studies Uveitis 109 studies Uveitis, Anterior 26 studies Uveitis, Intermediate 13 studies Uveitis, Posterior 24 studies Uveomeningoencephalitic Syndrome 1 study Vaccinia 89 studies VACTERL Association 1 study Vaginal Cancer 49 studies Vaginal Discharge 2 studies Vaginal Diseases 93 studies Vaginal Neoplasms 49 studies Vaginismus 2 studies Vaginitis 59 studies Vaginosis, Bacterial 38 studies Varicella Zoster 21 studies Varicocele 4 studies Varicose Ulcer 34 studies Varicose Veins 72 studies Vascular Diseases 6914 studies Vascular Headaches 3 studies Vascular Malformations 43 studies Vasculitis 111 studies Vasculitis, Hypersensitivity 5 studies Vasopressin-resistant Diabetes Insipidus 2 studies Vasospasm, Intracranial 9 studies Velocardiofacial Syndrome 16 studies Velopharyngeal Incompetence 1 study Velopharyngeal Insufficiency 1 study Venous Insufficiency 39 studies Venous Thromboembolism 145 studies Venous Thrombosis 231 studies Ventricular Dysfunction 72 studies Ventricular Dysfunction, Left 44 studies Ventricular Dysfunction, Right 5 studies Ventricular Fibrillation 66 studies Ventricular Flutter 3 studies Ventricular Premature Complexes 3 studies Ventricular Septal Defects 17 studies Vernal Keratoconjunctivitis 6 studies Vertebral Artery Dissection 2 studies Vertebrobasilar Insufficiency 3 studies Vertigo 11 studies Vesico-Ureteral Reflux 10 studies Vestibular Diseases 15 studies Vestibular Neuronitis 2 studies Vestibulocochlear Nerve Diseases 9 studies Vibrio Infections 18 studies Viral Hemorrhagic Fever 38 studies Viremia 35 studies Virus Associated Hemophagocytic Syndrome 2 studies Virus Diseases 5165 studies Vision Disorders 98 studies Vision, Low 32 studies Vitamin A Deficiency 12 studies Vitamin B 12 Deficiency 11 studies Vitamin D Deficiency 86 studies Vitamin D Resistant Rickets 6 studies Vitiligo 20 studies Vitreoretinopathy, Proliferative 8 studies Vitreous Detachment 7 studies Vitreous Hemorrhage 15 studies Vocal Cord Paralysis 8 studies Vogt-Koyanagi-Harada Syndrome 1 study Voice Disorders 13 studies Vomiting 200 studies Von Gierke Disease 8 studies Von Hippel-Lindau Disease 16 studies Von Hippel-Lindau Syndrome 16 studies Von Willebrand Disease 26 studies Von Willebrand Disease, Recessive Form 2 studies Vulvar Cancer 50 studies Vulvar Diseases 53 studies Vulvar Lichen Sclerosus 2 studies Vulvar Neoplasms 50 studies Vulvar Vestibulitis 10 studies Vulvar Vestibulitis Syndrome 10 studies Vulvovaginitis 7 studies WAGR Syndrome 1 study Waldenstrom Macroglobulinemia 295 studies Warts 53 studies Wasting Syndrome 15 studies Water Intoxication 2 studies Water-Electrolyte Imbalance 77 studies Watermelon Stomach 1 study Weber Syndrome 2 studies Wegener Granulomatosis 31 studies Weight Gain 126 studies Weight Loss 447 studies Weil Disease 1 study Wells Syndrome 5 studies Werdnig-Hoffmann Disease 5 studies Werner Syndrome 1 study West Nile Encephalitis 4 studies West Nile Fever 9 studies West Nile Virus 13 studies West Syndrome 5 studies Whiplash Injuries 7 studies Whooping Cough 134 studies Williams Syndrome 4 studies Wilms Tumor 110 studies Wilson Disease 4 studies Wiskott-Aldrich Syndrome 14 studies Wolff-Parkinson-White Syndrome 2 studies Wolman Disease 3 studies Wound Infection 56 studies Wounds and Injuries 1312 studies Wounds, Nonpenetrating 30 studies Wounds, Penetrating 9 studies X-linked Adrenal Hypoplasia Congenita 1 study X-linked Adrenoleukodystrophy 29 studies X-linked Agammaglobulinemia 6 studies X-Linked Combined Immunodeficiency Diseases 3 studies X-linked Lymphoproliferative Syndrome 4 studies X-linked Mental Retardation and Macro-orchidism 13 studies Xanthomatosis 2 studies Xanthomatosis, Cerebrotendinous 2 studies Xeroderma Pigmentosum 6 studies Xerophthalmia 20 studies Xerostomia 71 studies Yellow Fever 8 studies Zellweger Syndrome 2 studies Zollinger-Ellison Syndrome 35 studies Zygomycosis 2 studies 21-hydroxylase-deficient Congenital Adrenal Hyperplasia 5 studies 22q11.2 Deletion Syndrome 16 studies 5-Nucleotidase Syndrome 1 study 5q - Syndrome 1 study