Schedule 1 [EP212-10] 4 portでの腹腔鏡下幽門側胃切除術6例の検討 ○清川 貴志, 五十嵐 裕一, 福島 亮治 (帝京大学医学部外科) Abstract password authentication.Password is required to view the abstract. Please enter a password to authenticate. Password Authentication