[Various causes of failures of tympanoplastic operations].
D002648:Child; D003638:Deafness / Q000209:etiology; D006801:Humans; D010033:Otitis Media / Q000601:surgery; D014433:Tympanoplasty / Q000009:adverse effects*
Nĕkteré príciny neúspĕchu tympanoplastických operací