RT Journal Article SR Electronic T1 Non-canonical PD-1 signaling in cancer and its potential implications in clinic JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e001230 DO 10.1136/jitc-2020-001230 VO 9 IS 2 A1 Zha, Haoran A1 Jiang, Ying A1 Wang, Xi A1 Shang, Jin A1 Wang, Ning A1 Yu, Lei A1 Zhao, Wei A1 Li, Zhihua A1 An, Juan A1 Zhang, Xiaochun A1 Chen, Huoming A1 Zhu, Bo A1 Li, Zhaoxia YR 2021 UL http://jitc.bmj.com/content/9/2/e001230.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.