TY - Journal of International Oncology A1 - Xu Shifei, Feng Huan, Liu Haiyang, Hu Jie, Ma Lu T1 - Effect of rotational errors on the accuracy of positioning for head-neck tumors in radiotherapy Y1 - 2021-03-08 JF - Journal of International Oncology JO - Journal of International Oncology SP - 150 EP - 155 VL - 48 IS - 3 UR - https://gjzlx.sdfmu.edu.cn N1 - 10.3760/cma.j.cn371439-20200409-00030 ER -