TY - Journal of International Oncology A1 - T1 - Y1 - 2020-03-08 JF - Journal of International Oncology JO - Journal of International Oncology SP - 190 EP - 192 VL - 47 IS - 3 UR - https://gjzlx.sdfmu.edu.cn N1 - 10.3760/cma.j.issn.1673-422X.2020.03.012 ER -