RT Journal Article SR Electronic T1 An immune evasion mechanism with IgG4 playing an essential role in cancer and implication for immunotherapy JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e000661 DO 10.1136/jitc-2020-000661 VO 8 IS 2 A1 Wang, Hui A1 Xu, Qian A1 Zhao, Chanyuan A1 Zhu, Ziqi A1 Zhu, Xiaoqing A1 Zhou, Junjie A1 Zhang, Shuming A1 Yang, Tiqun A1 Zhang, Biying A1 Li, Jun A1 Yan, Meiling A1 Liu, Renming A1 Ma, Changchun A1 Quan, Yan A1 Zhang, Yongqu A1 Zhang, Weifeng A1 Geng, Yiqun A1 Chen, Chuangzhen A1 Chen, Shaobin A1 Liu, Ditian A1 Chen, Yuping A1 Tian, Dongping A1 Su, Min A1 Chen, Xueling A1 Gu, Jiang YR 2020 UL http://jitc.bmj.com/content/8/2/e000661.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.