[Two-level fenestration].
D000328:Adult; D005276:Fenestration, Labyrinth / Q000379:methods*; D006801:Humans; D008297:Male; D010040:Otosclerosis / Q000601:surgery*; D010046:Oval Window, Ear / Q000601:surgery; D012086:Reoperation; D013201:Stapes Surgery
Die Zweietagenfensterung.