A retrospective study on unresectable or inoperable head and neck cancers treated with stereotactic ablative brachytherapy - Zhao, Genghao; Wang, Zhe; Li, Chuang; Chen, Songbai; Yang, Liang; Wu, Jinyu; Zhou, Dong; Ju, Zaishaung; Zhou, Jun; Wang, Ruoyu (Journal of Contemporary Brachytherapy, 2022)