RT Journal Article SR Electronic T1 HHLA2 in intrahepatic cholangiocarcinoma: an immune checkpoint with prognostic significance and wider expression compared with PD-L1 JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP 77 DO 10.1186/s40425-019-0554-8 VO 7 IS 1 A1 Jing, Chu-Yu A1 Fu, Yi-Peng A1 Yi, Yong A1 Zhang, Mei-Xia A1 Zheng, Su-Su A1 Huang, Jin-Long A1 Gan, Wei A1 Xu, Xin A1 Lin, Jia-Jia A1 Zhang, Juan A1 Qiu, Shuang-Jian A1 Zhang, Bo-Heng YR 2019 UL http://jitc.bmj.com/content/7/1/77.abstract AB Markup server — Error Not Found The page you were trying to reach could not be found. Please check the address for the page you were trying to reach. If you believe you have reached this page in error, you may contact us with any questions.