[Experience with the use of a preserved dura mater flap in tympanoplasty].
D004388:Dura Mater / Q000637:transplantation*; D004432:Ear, Middle / Q000601:surgery*; D006801:Humans; D013524:Surgical Flaps; D014433:Tympanoplasty
DURA MATER/transplantation; EAR, MIDDLE/surgery