[OPERATIONS FOR HEARING IMPROVEMENT].
D002493:Central Nervous System Diseases; D003638:Deafness; D004424:Ear Canal; D005276:Fenestration, Labyrinth; D006801:Humans; D010033:Otitis Media; D013201:Stapes Surgery; D014432:Tympanic Membrane
CENTRAL NERVOUS SYSTEM DISEASES; DEAFNESS; EAR CANAL; FENESTRATION; OTITIS MEDIA; STAPES SURGERY; TYMPANIC MEMBRANE
DIE HOERVERBESSERNDEN OPERATIONEN.