Template-assisted 192Ir-based stereotactic ablative brachytherapy as a neoadjuvant treatment for operable peripheral non-small cell lung cancer: a phase I clinical trial - Shi, Xiang-xiang; Pang, Hao-wen; Ren, Pei-rong; Sun, Xiao-yang; Wu, Jing-bo; Lin, Sheng (Journal of Contemporary Brachytherapy, 2019)