Clinical observation of endoscopic sphincterotomy combined with endoscopic papillary balloon dilatation in the treatment of patients with extrahepatic bile duct stones without bile duct dilation
Pan Wenjun, Sun Mingjun, Yan Guoqiang.
Journal of Practical Hepatology . 2019, (1): 141 -144 .  DOI: 10.3969/j.issn.1672-5069.2019.01.037