[Operations for improvement of hearing].
D001930:Brain Injuries; D004429:Ear Ossicles; D005276:Fenestration, Labyrinth; D006320:Hearing Tests; D006801:Humans; D010033:Otitis Media; D010040:Otosclerosis; D014432:Tympanic Membrane
BRAIN INJURY, ACUTE; EAR OSSICLES; FENESTRATION; OTITIS MEDIA; OTOSCLEROSIS; TYMPANIC MEMBRANE