Dosimetric comparison between single-channel vaginal cylinder and free-hand interstitial needles in vaginal brachytherapy of gynecological cancers - Chen, Kaiqiang; Zhuo, Yanhong; Li, Zirong; Bai, Penggang; Chen, Jihong; Lin, Yibin; Liu, Jing; Li, Li; Yang, Yang; Pan, Junping; Song, Yanwen; Wu, Tianming; et al. (Journal of Contemporary Brachytherapy, 2024)