ERCP using balloon-assisted endoscopes versus EUS-guided treatment for common bile duct stones in Roux-en-Y gastrectomy

Tatsuya Sato, Yousuke Nakai, Hirofumi Kogure, Toshiyuki Mitsuyama, Masaaki Shimatani, Shinya Uemura, Takuji Iwashita, Yuki Tanisaka, Shomei Ryozawa, Takayoshi Tsuchiya, Takao Itoi, Toshifumi Kin, Akio Katanuma, Ken Kashima, Atsushi Irisawa, Atsuto Kayashima, Eisuke Iwasaki, Akihiro Yoshida, Mamoru Takenaka, Hitomi Himei, Hironari Kato, Atsuhiro Masuda, Hideyuki Shiomi, Kazumichi Kawakubo, Masaki Kuwatani, Takeshi Otsuka, Saburo Matsubara, Nobu Nishioka, Takeshi Ogura, Tomohiro Tamura, Masayuki Kitano, Nobuhiko Hayashi, Ichiro Yasuda, Mitsuhiro Fujishiro