Erich Vyskocil .ical Session 09-12 16:30 60min Overcoming Difficulties In Frontal Sinus Surgery Shazada Ahmed, Brad Woodworth, Rainer Weber, Erich Vyskocil, Ozan Altuntaş, Yaşar Çokkeser Overcoming difficulties in frontal sinus surgery Rhinology Rhinology 1 (ICC - B2 Floor - Beyazıt)
