When not to do middle-ear surgery.
D000367:Age Factors; D000368:Aged; D004427:Ear Diseases / Q000601:surgery*; D004432:Ear, Middle / Q000601:surgery*; D006312:Hearing Loss, Bilateral / Q000601:surgery; D006801:Humans; D008575:Meniere Disease / Q000601:surgery; D008875:Middle Aged; D010033:Otitis Media / Q000601:surgery; D014432:Tympanic Membrane / Q000293:injuries; D014433:Tympanoplasty