Comparison of the efficacy and toxicity of postoperative proton versus carbon ion radiotherapy for head and neck cancers - Huang, Qingting; Hu, Jiyi; Hu, Weixu; Gao, Jing; Yang, Jing; Qiu, Xianxin; Lu, Jiade Jay; Kong, Lin (Annals of Translational Medicine; Vol 10, No 22 (November 29, 2022): Annals of Translational Medicine, 2020)