title: [Operative hearing improvement in obliterated tympanum and irreversibly blocked eustachian tube. 1].
mesh_terms: D000328:Adult; D002781:Cholesteatoma / Q000601:surgery; D004427:Ear Diseases / Q000601:surgery*; D005064:Eustachian Tube / Q000601:surgery*; D005260:Female; D006309:Hearing; D006801:Humans; D008297:Male; D008722:Methods; D014432:Tympanic Membrane / Q000601:surgery*; D014433:Tympanoplasty
vernacular_title: Operative hörverbesserlung bei verödetem mittelohr und irreversibel verschlossener tube. 1.