Rainer Weber .ical Session 09-12 16:30 60min Overcoming difficulties in Frontal Sinus Surgery Devyani Lal, Christos Georgalas, Shazada Ahmed, Brad Woodworth, Rainer Weber, Erich Vyskocil Overcoming difficulties in Frontal Sinus Surgery Rhinology Rhinology 1 (ICC - B2 level BEYAZIT)
