Efficacy of ERCP catheter-guided biopsy for the diagnosis of pancreato-biliary diseases

Koichi Aiura, Shinya Kishi, Minoru Kitago, Keiichi Suzuki, Hiroaki Seki, Sojun Hoshimoto, Masahiro Adachi, Hiromasa Nakamizo, Yoshiyuki Yamagishi, Koichiro Kumai, Masaki Kitajima, Hiromasa Ishii