Author/Authors :
liu, fei sichuan university - west china hospital - department of biliary surgery, Chengdu, China , ma, wen-jie sichuan university - west china hospital - department of biliary surgery, Chengdu, China , hu, hai-jie sichuan university - west china hospital - department of biliary surgery, Chengdu, China , regmi, parbatraj sichuan university - west china hospital - department of biliary surgery, Chengdu, China , wang, jun-ke sichuan university - west china hospital - department of biliary surgery, Chengdu, China , li, fu-yu sichuan university - west china hospital - department of biliary surgery, Chengdu, China