Dirk Beutner .ical Session 09-11 15:00 60min Otosclerosis Piotr Henryk Skarzynski, Eugen Constant Ionescu, Vedat Topsakal, Dirk Beutner, Santiago A. Arauz Otology/Neurotology Otology 3 (ICC - B3 Floor - 3B/58)