title: [Tympanometric investigations in the assessment of operations to improve the hearing (author's transl)].
mesh_terms: D000886:Anthropometry; D004432:Ear, Middle / Q000002:abnormalities; D005500:Follow-Up Studies; D006311:Hearing Disorders / Q000175:diagnosis / Q000209:etiology / Q000601:surgery; D006801:Humans; D008722:Methods; D010040:Otosclerosis / Q000601:surgery; D014432:Tympanic Membrane / Q000033:anatomy & histology*; D014433:Tympanoplasty
vernacular_title: Tympanometrische Untersuchungen zur Beurteilung von gehörverbessernden Operationen