Dual classification of tympanoplasty.
D000293:Adolescent; D002648:Child; D004427:Ear Diseases / Q000517:prevention & control; D004432:Ear, Middle / Q000503:physiopathology; D006311:Hearing Disorders / Q000601:surgery; D006801:Humans; D017053:Infection Control; D011379:Prognosis; D014433:Tympanoplasty / Q000145:classification*