Perforations of tympanic membrane and tympanoplasty. Closure by pericardium: a preliminary report of 9 cases.
D006321:Heart; D006801:Humans; D010496:Pericardium; D014180:Transplantation; D014432:Tympanic Membrane; D014433:Tympanoplasty
PERICARDIUM; TRANSPLANTATION; TYMPANIC MEMBRANE