TY - Journal of International Oncology A1 - T1 - Y1 - 2022-07-08 JF - Journal of International Oncology JO - Journal of International Oncology SP - 447 EP - 448 VL - 49 IS - 7 UR - https://gjzlx.sdfmu.edu.cn N1 - 10.3760/cma.j.cn371439-20210709-00086 ER -