Preservation of hearing in surgery for chronic ear disease; a consideration of factors involved.
D004427:Ear Diseases; D004432:Ear, Middle / Q000601:surgery*; D006309:Hearing; D006320:Hearing Tests; D006801:Humans; D014432:Tympanic Membrane / Q000601:surgery*
EAR, MIDDLE/surgery; HEARING; TYMPANIC MEMBRANE/surgery