TY - Journal of International Oncology A1 - He Fang, Gao Yan, Qi Haiyan, Li Qin, Xu Chong′an T1 - Therapeutic effect and mechanism of regulating cellular immune function of chemotherapy combined with PD-1 inhibitor in the first-line treatment of Lewis xenografts Y1 - 2019-08-08 JF - Journal of International Oncology JO - Journal of International Oncology SP - 453 EP - 459 VL - 46 IS - 8 UR - https://gjzlx.sdfmu.edu.cn N1 - 10.3760/cma.j.issn.1673-422X.2019.08.002 ER -