title: [The problem of closed tympanoplasty in cholesteatoma of the middle ear in children].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002781:Cholesteatoma / Q000601:surgery*; D004427:Ear Diseases / Q000601:surgery*; D004432:Ear, Middle / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D014433:Tympanoplasty
vernacular_title: Zagadnienie tympanoplastyki zamknietej w perlaku ucha środkowego u dzieci.