Indications for obliteration and closed mastoid operations.
D002781:Cholesteatoma / Q000601:surgery; D002908:Chronic Disease / Q000601:surgery; D006801:Humans; D008417:Mastoiditis / Q000601:surgery*; D009132:Muscles / Q000601:surgery; D010033:Otitis Media / Q000601:surgery*; D011182:Postoperative Care; D014433:Tympanoplasty