Han Qing, Deng HaoYuan, Zhuang LiZhao, Deng XueSong, Fan ZiBing, Zhan YongQiang, Ni Yong, Zhang MinJie. Clinical application of fiber choledochoscope in treatment of retained biliary tract stones: An analysis of 573 cases[J]. J Clin Hepatol, 2013, 29(6): 414-417.