Small fenestra stapedectomy.
D005276:Fenestration, Labyrinth / Q000009:adverse effects / Q000379:methods*; D006801:Humans; D010040:Otosclerosis / Q000601:surgery; D011183:Postoperative Complications / Q000453:epidemiology; D013201:Stapes Surgery / Q000009:adverse effects / Q000379:methods*