%0 Journal Article %T Appropriate number of biliary biopsies and endoscopic retrograde cholangiopancreatography sessions for diagnosing biliary tract cancer %A Hiroki Irie %A Hiromasa Ohira %A Hiroyuki Asama %A Hitomi Kikuchi %A Jun Nakamura %A Ko Watanabe %A Mika Takasumi %A Minami Hashimoto %A Mitsuru Sugimoto %A Naoki Konno %A Rei Suzuki %A Tadayuki Takagi %A Takuto Hikichi %A Yuki Sato %J Archive of "World Journal of Gastrointestinal Endoscopy". %D 2019 %R 10.4253/wjge.v11.i3.231 %K Biliary ductal cancer %K Biliary biopsy %K Endoscopic retrograde cholangiopancreatography %K Endoscopic ultrasonography-guided fine needle aspiration %K Choledochoscopy %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6425282/