Evaluation of the positional reproducibility of sedation versus non-sedation state in pediatric radiotherapy: a retrospective study - Lei, Zhanquan; Shi, Yuequan; Liu, Yiqun; Gao, Bo; Shao, Kongfeng; Lin, Xijin; Wu, Lizhen; Yao, Zhaojie (Frontiers in Oncology, 2024)