Efficacy, safety, and exploratory biomarker analysis of envafolimab plus carboplatin and etoposide as first-line treatment for extensive-stage small-cell lung cancer: a prospective, single-arm, phase II trial. - Zhao, Xiao; Zhang, Jing; Qiu, Lupeng; Han, Quanli; Yan, Xiang; Zhu, Yanyun; Wang, Jinliang; Zhang, Xiaoling; Jiao, Shunchang; Sun, Shengjie (BMC Medicine, 2025)