title: Middle ear retractions--the role of predamaged tympanic membranes.
authors.affiliation: University of Rostock, HNO-Klinik, Germany.
authors.forename: H W
authors.initials: HW
authors.lastname: Pau
mesh_terms: D002648:Child; D018424:Cholesteatoma, Middle Ear / Q000473:pathology* / Q000503:physiopathology; D005064:Eustachian Tube / Q000473:pathology / Q000503:physiopathology; D006801:Humans; D014432:Tympanic Membrane / Q000473:pathology* / Q000503:physiopathology