TY - JOUR AU - Zhao, Jian AU - Zhang, Wei AU - Zhang, Jun AU - Ma, Wen-Jie AU - Liu, Si-Yun AU - Li, Fu-Yu AU - Song, Bin PY - 2021 TI - External validation study of the 8 th edition of the American Joint Committee on Cancer staging system for perihilar cholangiocarcinoma: a single-center experience in China and proposal for simplification JF - Journal of Gastrointestinal Oncology; Vol 12, No 2 (April 29, 2021): Journal of Gastrointestinal Oncology Y2 - 2021 KW - N2 - UR - https://jgo.amegroups.org/article/view/49683