The role of TGF-β pathway alterations in immune regulation as a potential pan-cancer biomarker in immunotherapy - Liang, Yan; Li, Wei; Qian, Bing; Ming, Jie; Zhao, Zhengyi; Yan, Zhengqing; Zhao, Xiaochen; Chen, Shiqing; Yin, Yongmei (Annals of Translational Medicine, 2021)