Surgery for hearing loss.
D002908:Chronic Disease; D004423:Ear / Q000293:injuries; D004424:Ear Canal / Q000601:surgery; D004432:Ear, Middle / Q000002:abnormalities; D005096:Exostoses / Q000601:surgery; D006311:Hearing Disorders / Q000145:classification / Q000151:congenital / Q000209:etiology / Q000601:surgery*; D006801:Humans; D008722:Methods; D010033:Otitis Media / Q000601:surgery; D010040:Otosclerosis / Q000601:surgery; D019736:Prostheses and Implants; D013201:Stapes Surgery; D014433:Tympanoplasty