[Trans-tympanic drains].
D003638:Deafness / Q000601:surgery; D004322:Drainage; D006801:Humans; D009078:Mucocele / Q000601:surgery; D010031:Otitis / Q000601:surgery*; D010033:Otitis Media / Q000601:surgery*; D014432:Tympanic Membrane / Q000601:surgery*
Les drains trans-tympaniques.