RT Journal Article SR Electronic T1 Higher postoperative plasma EV PD-L1 predicts poor survival in patients with gastric cancer JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e002218 DO 10.1136/jitc-2020-002218 VO 9 IS 3 A1 Li, Gaopeng A1 Wang, Guoliang A1 Chi, Fenqing A1 Jia, Yuqi A1 Wang, Xi A1 Mu, Quankai A1 Qin, Keru A1 Zhu, Xiaoxia A1 Pang, Jing A1 Xu, Baixue A1 Feng, Guangen A1 Niu, Yuhu A1 Gong, Tao A1 Zhang, Hongwei A1 Dong, Xiushan A1 Liu, Ting A1 Ma, Jinfeng A1 Gao, Zefeng A1 Tao, Kai A1 Li, Feng A1 Xu, Jun A1 Yu, Baofeng YR 2021 UL http://jitc.bmj.com/content/9/3/e002218.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.