Javier Gavilan .ical Session 09-12 14:00 60min Symposium of the Society of Polish Otorhinolaryngologists, Phoniatrists, and Audiologists Piotr Skarzynski, Artur Lorens, Mario Emilio Zernotti, Georg Sprinzl, Javier Gavilan, Katarzyna Cywka Otology/Neurotology Otology 5