Dosimetric comparison of ZAP-X, Gamma Knife, and CyberKnife stereotactic radiosurgery for single brain metastasis - Jinyuan Wang; Qingzeng Zheng; Yanping Wang; Chengcheng Wang; Shouping Xu; Zhongjian Ju; Longsheng Pan; Jingmin Bai; Yunmo Liu; Baolin Qu; Xiangkun Dai (BMC Cancer, 2024)