Tympanic perforations: safe or not?
D002781:Cholesteatoma / Q000150:complications*; D004429:Ear Ossicles / Q000503:physiopathology; D006801:Humans; D008853:Microscopy; D010033:Otitis Media / Q000150:complications*; D013514:Surgical Procedures, Operative; D014432:Tympanic Membrane / Q000601:surgery*