Comparison of endoscopic papillary balloon dilatation and endoscopic sphincterotomy for bile duct stones

Yuji Sakai1, Toshio Tsuyuguchi1, Harutoshi Sugiyama1

  • 1Yuji Sakai, Toshio Tsuyuguchi, Harutoshi Sugiyama, Masahiro Hayashi, Jun-ichi Senoo, Yuko Kusakabe, Shin Yasui, Rintaro Mikata, Osamu Yokosuka, Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan.