Auditory Diseases, Central   5 studies
Auditory Perceptual Disorders   4 studies
Ciliary Motility Disorders   10 studies
Croup   3 studies
Deafness   83 studies
Deglutition Disorders   311 studies
Ear Diseases   206 studies
Epistaxis   7 studies
Ethmoid Sinusitis   1 study
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
Hoarseness   3 studies
Hyperacusis   4 studies
Hypopharyngeal Neoplasms   13 studies
Kartagener Syndrome   10 studies
Laryngeal Diseases   71 studies
Laryngeal Edema   3 studies
Laryngeal Neoplasms   75 studies
Laryngismus   1 study
Laryngitis   9 studies
Laryngostenosis   1 study
Mastoiditis   2 studies
Maxillary Sinusitis   7 studies
Meniere Disease   6 studies
Nasal Obstruction   11 studies
Nasal Polyps   12 studies
Nasopharyngeal Neoplasms   71 studies
Neurofibromatosis 2   8 studies
Neuroma, Acoustic   7 studies
Nose Deformities, Acquired   2 studies
Nose Neoplasms   3 studies
Oropharyngeal Neoplasms   23 studies
Otitis   77 studies
Otitis Externa   3 studies
Otitis Media   68 studies
Otitis Media with Effusion   16 studies
Otitis Media, Suppurative   2 studies
Otorhinolaryngologic Neoplasms   139 studies
Otosclerosis   2 studies
Paranasal Sinus Neoplasms   3 studies
Pharyngeal Diseases   193 studies
Pharyngeal Neoplasms   110 studies
Pharyngitis   24 studies
Presbycusis   4 studies
Retrocochlear Diseases   25 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
Sinusitis   75 studies
Tinnitus   41 studies
Tonsillitis   20 studies
Tympanic Membrane Perforation   4 studies
Usher Syndromes   5 studies
Velopharyngeal Insufficiency   1 study
Vertigo   11 studies
Vestibular Diseases   15 studies
Vestibular Neuronitis   2 studies
Vestibulocochlear Nerve Diseases   9 studies
Vocal Cord Paralysis   8 studies
Voice Disorders   13 studies