[O014] ERCP　困難例

[O014-2] Evaluation of Endoscopic Pancreatic Sphincterotomy for difficult cases of bile duct cannulation

^○Tomoaki Yamasaki, Kanako Kikukawa, Akie Kimura, Akinobu Nakata, Masahumi Yamamura, Takehisa Suekane, Eiji Sasaki, Koji Sano, Kenji Watanabe, Hiroko Nebiki (Div. of Gastroenterology, Osaka City General Hospital, Osaka, Japan)