Cachexia   54 studies
Calcinosis   16 studies
Calculi   95 studies
Campylobacter Infections   1 study
Canavan Disease   3 studies
Candidiasis   97 studies
Candidiasis, Oral   29 studies
Candidiasis, Vulvovaginal   7 studies
Carbamoyl-Phosphate Synthase I Deficiency Disease   1 study
Carbon Monoxide Poisoning   4 studies
Carbuncle   2 studies
Carcinoid syndrome   35 studies
Carcinoid Tumor   99 studies
Carcinoma   4549 studies
Carcinoma in Situ   168 studies
Carcinoma, Adenoid Cystic   65 studies
Carcinoma, Adenosquamous   64 studies
Carcinoma, Basal Cell   133 studies
Carcinoma, Basosquamous   16 studies
Carcinoma, Bronchogenic   10 studies
Carcinoma, Ductal   69 studies
Carcinoma, Ductal, Breast   105 studies
Carcinoma, Endometrioid   48 studies
Carcinoma, Giant Cell   2 studies
Carcinoma, Hepatocellular   311 studies
Carcinoma, Intraductal, Noninfiltrating   72 studies
Carcinoma, Islet Cell   37 studies
Carcinoma, Large Cell   7 studies
Carcinoma, Lobular   33 studies
Carcinoma, Medullary   34 studies
Carcinoma, Merkel Cell   11 studies
Carcinoma, Neuroendocrine   246 studies
Carcinoma, Non-Small-Cell Lung   1478 studies
Carcinoma, Pancreatic Ductal   3 studies
Carcinoma, Papillary   23 studies
Carcinoma, Papillary, Follicular   1 study
Carcinoma, Renal Cell   561 studies
Carcinoma, Small Cell   380 studies
Carcinoma, Squamous Cell   687 studies
Carcinoma, squamous cell of head and neck   159 studies
Carcinoma, Transitional Cell   152 studies
Carcinosarcoma   34 studies
Cardiac Complexes, Premature   17 studies
Cardiac Output, High   3 studies
Cardiac Output, Low   13 studies
Cardiac Tamponade   1 study
Cardiogenital syndrome   1 study
Cardiomegaly   75 studies
Cardiomyopathies   198 studies
Cardiomyopathy, Alcoholic   1 study
Cardiomyopathy, Dilated   42 studies
Cardiomyopathy, Hypertrophic   37 studies
Cardiomyopathy, Hypertrophic, Familial   3 studies
Cardiomyopathy, Restrictive   1 study
Cardiospasm   10 studies
Cardiovascular Abnormalities   245 studies
Cardiovascular Infections   13 studies
Carney syndrome   2 studies
Carnitine palmitoyl transferase 2 deficiency   1 study
Caroli Disease   1 study
Carotid Artery Diseases   108 studies
Carotid Artery Injuries   1 study
Carotid Stenosis   52 studies
Carpal Tunnel Syndrome   28 studies
Cataplexy   9 studies
Cataract   192 studies
Catatonia   2 studies
Causalgia   7 studies
Celiac Disease   30 studies
Cellulitis   22 studies
Central Cord Syndrome   4 studies
Central Nervous System Diseases   4213 studies
Central Nervous System Infections   284 studies
Central nervous system lymphoma, primary   164 studies
Central Nervous System Neoplasms   805 studies
Central serous chorioretinopathy   10 studies
Centrotemporal epilepsy   2 studies
Ceramide trihexosidosis   42 studies
Cerebellar Ataxia   12 studies
Cerebellar degeneration   1 study
Cerebellar Diseases   26 studies
Cerebral Amyloid Angiopathy   1 study
Cerebral aneurysm   6 studies
Cerebral Arterial Diseases   12 studies
Cerebral Hemorrhage   45 studies
Cerebral Infarction   771 studies
Cerebral Palsy   87 studies
Cerebrospinal fluid leak   1 study
Cerebrospinal Fluid Rhinorrhea   1 study
Cerebrotendinous xanthomatosis   2 studies
Cerebrovascular Disorders   876 studies
Cerebrovascular Trauma   3 studies
Ceroid lipofuscinosis, neuronal   5 studies
Ceroid lipofuscinosis, neuronal 3, Juvenile   5 studies
Cervical Intraepithelial Neoplasia   70 studies
Chagas Cardiomyopathy   2 studies
Chagas Disease   9 studies
Chalazion   1 study
Chandler's syndrome   2 studies
Charcot-Marie-Tooth Disease   42 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
Chest Pain   198 studies
Cheyne-Stokes Respiration   6 studies
Chickenpox   71 studies
Chikungunya   1 study
Child Behavior Disorders   4 studies
Child Development Disorders, Pervasive   137 studies
Childhood disintegrative disorder   2 studies
Childhood-Onset Schizophrenia   6 studies
Chlamydia Infections   53 studies
Cholangiocarcinoma   60 studies
Cholangitis   13 studies
Cholangitis, Sclerosing   11 studies
Cholecystitis   19 studies
Cholecystitis, Acute   4 studies
Cholecystolithiasis   32 studies
Choledocholithiasis   8 studies
Cholelithiasis   32 studies
Cholera   21 studies
Cholestasis   47 studies
Cholestasis, Extrahepatic   1 study
Cholestasis, Intrahepatic   24 studies
Cholesteatoma   2 studies
Cholesterol Ester Storage Disease   3 studies
Chondrocalcinosis   2 studies
Chondrocalcinosis 2   1 study
Chondrosarcoma   44 studies
Chordoma   15 studies
Chorea   41 studies
Chorea minor   2 studies
Choreoacanthocytosis   1 study
Chorioamnionitis   12 studies
Choriocarcinoma   46 studies
Chorioretinitis   1 study
Choroid Diseases   101 studies
Choroid Neoplasms   3 studies
Choroid Plexus Neoplasms   76 studies
Choroidal Neovascularization   112 studies
Choroideremia   1 study
Choroiditis   5 studies
Chromophil renal cell carcinoma   14 studies
Chromosomal abnormalities   148 studies
Chromosome Aberrations   69 studies
Chromosome Deletion   6 studies
Chromosome Disorders   96 studies
Chronic berylliosis   2 studies
Chronic Disease   266 studies
Chronic granulomatous disease   24 studies
Chronic inflammatory demyelinating polyneuropathy   6 studies
Chronic lymphocytic leukemia   860 studies
Chronic myelogenous leukemia   686 studies
Chronic myelomonocytic leukemia   297 studies
Chronic Myeloproliferative Disorders   175 studies
Chronic neutropenia   2 studies
Chronic, Infantile, Neurological, Cutaneous, Articular syndrome   5 studies
Chronobiology Disorders   22 studies
Churg-Strauss Syndrome   12 studies
Chylothorax   2 studies
Chylothorax, congenital   1 study
Cicatricial pemphigoid   2 studies
Cicatrix   89 studies
Cicatrix, Hypertrophic   5 studies
Ciliary Motility Disorders   10 studies
Citrullinemia   2 studies
Clear cell renal cell carcinoma   79 studies
Cleft Lip   12 studies
Cleft Palate   19 studies
Clostridium Infections   82 studies
Clubfoot   9 studies
Cluster Headache   12 studies
COACH syndrome   1 study
Coal worker's pneumoconiosis   4 studies
Coats disease   2 studies
Cocaine-Related Disorders   234 studies
Coccidioidomycosis   9 studies
Cockayne Syndrome   1 study
Cogan's syndrome   1 study
Cognition Disorders   807 studies
Coin Lesion, Pulmonary   2 studies
Cold agglutinin disease   1 study
Colic   14 studies
Colitis   209 studies
Colitis, Collagenous   4 studies
Colitis, Ischemic   1 study
Colitis, Lymphocytic   3 studies
Colitis, Microscopic   6 studies
Colitis, Ulcerative   172 studies
Collagen Diseases   39 studies
Collagenous colitis   4 studies
Colles' Fracture   8 studies
Coloboma   2 studies
Colonic Diseases   1448 studies
Colonic Diseases, Functional   115 studies
Colonic Neoplasms   222 studies
Colonic Polyps   23 studies
Colorectal cancer, hereditary nonpolyposis, type 1   11 studies
Colorectal Neoplasms   1280 studies
Colorectal Neoplasms, Hereditary Nonpolyposis   17 studies
Coma   23 studies
Combat Disorders   8 studies
Combined hyperlipidemia, familial   19 studies
Common Cold   22 studies
Common Variable Immunodeficiency   13 studies
Communication Disorders   87 studies
Community-Acquired Infections   9 studies
Compartment Syndromes   7 studies
Complete atrioventricular canal   3 studies
Complex Regional Pain Syndromes   29 studies
Compulsive Behavior   26 studies
Conduct Disorder   26 studies
Conductive hearing loss   2 studies
Condyloma   20 studies
Condyloma acuminatum   20 studies
Condylomata Acuminata   20 studies
Cone rod dystrophy   34 studies
Confusion   72 studies
Congenital Abnormalities   1235 studies
Congenital adrenal hyperplasia due to 21 hydroxylase deficiency   5 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   6 studies
Congenital fiber type disproportion   1 study
Congenital heart block   3 studies
Congenital heart septum defect   35 studies
Congenital hemolytic anemia   1 study
Congenital hepatic fibrosis   2 studies
Congenital Hypothyroidism   4 studies
Congenital megacolon   3 studies
Congenital myopathy   2 studies
Congenital torticollis   1 study
Conjunctival Diseases   142 studies
Conjunctival Neoplasms   5 studies
Conjunctivitis   118 studies
Conjunctivitis, Allergic   53 studies
Conjunctivitis, Bacterial   29 studies
Conjunctivitis, Inclusion   2 studies
Conn's syndrome   8 studies
Connective Tissue Diseases   1142 studies
Conotruncal heart malformations   2 studies
Consciousness Disorders   39 studies
Constipation   145 studies
Constriction, Pathologic   326 studies
Contracture   17 studies
Contusions   8 studies
Convalescence   3 studies
Conversion Disorder   5 studies
Corneal Diseases   117 studies
Corneal Dystrophies, Hereditary   12 studies
Corneal dystrophy   12 studies
Corneal dystrophy, epithelial basement membrane   1 study
Corneal dystrophy, Fuchs' endothelial, 1   7 studies
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   1318 studies
Coronary Disease   1303 studies
Coronary Occlusion   24 studies
Coronary Restenosis   38 studies
Coronary Stenosis   70 studies
Coronary Thrombosis   7 studies
Coronary Vasospasm   4 studies
Corticobasal degeneration   1 study
Cough   153 studies
Cowden's disease   3 studies
Coxsackievirus Infections   3 studies
Craniocerebral Trauma   233 studies
Craniofacial Abnormalities   35 studies
Craniofrontonasal dysplasia   1 study
Craniomandibular Disorders   17 studies
Craniopharyngioma   71 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   181 studies
Crohn Disease   251 studies
Crohn’s disease, pediatric   9 studies
Cross Infection   78 studies
Croup   3 studies
Cryoglobulinemia   2 studies
Cryptococcosis   27 studies
Cryptorchidism   4 studies
Cryptosporidiosis   19 studies
Cubital Tunnel Syndrome   1 study
Cumulative Trauma Disorders   32 studies
Currarino triad   1 study
Cushing Syndrome   27 studies
Cutaneous Fistula   1 study
Cutaneous lupus erythematosus   15 studies
Cutaneous T-cell lymphoma   352 studies
Cutis Laxa   4 studies
Cutis verticis gyrata   8 studies
Cyanosis   2 studies
Cyclic vomiting syndrome   6 studies
Cystadenocarcinoma, Serous   52 studies
Cystadenoma   1 study
Cystic adenomatoid malformation of lung   2 studies
Cystic Adenomatoid Malformation of Lung, Congenital   2 studies
Cystic Fibrosis   270 studies
Cysticercosis   11 studies
Cystinosis   9 studies
Cystinuria   2 studies
Cystitis   52 studies
Cystitis, Interstitial   40 studies
Cystocele   456 studies
Cystosarcoma phyllodes   2 studies
Cysts   135 studies
Cytomegalic inclusion disease   170 studies
Cytomegalovirus   176 studies
Cytomegalovirus Infections   176 studies
Cytomegalovirus Retinitis   60 studies