8Chen M F, Jan Y Y, Chou F F, et al. Use of the fiberoptic choledochoscope in common bile duct and intrahepatic duct explonation. Gastrointest Endosc, 1983,29: 276
6Pandey M,Sood BP, Shukla RC, et al. Carcinoma of the gall-bladder: role of sonography in diagnosis of staging[J]. J Clin Ultrasound,2000,28(5) :227-232.
7ZHANG BS. Choledochoscopic treatment of hepatolithiasis after operation[J]. Journal of Clinical Surgery, 2005,13 (7) : 406-407.