TY - Protein Cell A1 - Qingjun Liu, Zhongjie Sun, Ligong Chen T1 - Memory T cells: strategies for optimizing tumor immunotherapy Y1 - JF - Protein & Cell JO - Protein Cell SP - 549 EP - 564 VL - IS - UR - https://journal.hep.com.cn/pac N1 - 10.1007/s13238-020-00707-9 ER -