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  1. Article

    Open Access

    Applications of various range shifters for proton pencil beam scanning radiotherapy

    A range pull-back device, such as a machine-related range shifter (MRS) or a universal patient-related range shifter (UPRS), is needed in pencil beam scanning technique to treat shallow tumors.

    Haibo Lin, Chengyu Shi, Sheng Huang, Jiajian Shen, Minglei Kang in Radiation Oncology (2021)