Hearing after surgery in chronically discharging ears. I. Atticoantrotomy.
D004427:Ear Diseases; D004432:Ear, Middle / Q000601:surgery*; D006309:Hearing; D006320:Hearing Tests; D006801:Humans; D008416:Mastoid / Q000601:surgery*
EAR, MIDDLE/surgery; HEARING; MASTOID/surgery