OC.16.11: Common Bile Duct Stone Extraction Under Direct Intraductal Visualization by Direct Peroral Cholangioscopy. (15th March 2017) - Fugazza, A.; Anderloni, A.; Carrara, S.; Maselli, R.; Di Leo, M.; Ferrara, E.; Auriemma, F.; Galtieri, A.; Semeraro, R.; Lollo, G.; Poliani, L.; Amvrosiadis, G.; et al.