Updated Bayesian network meta-analysis on the efficacy and safety of PD−1 versus PD−L1 inhibitors in first−line treatment with chemotherapy for extensive−stage small-cell lung cancer - Wang, Ke; Zheng, Chuangjie; Chen, Xinrong; Lin, Penghui; Lin, Mengge; Chen, Cuizhen; Zhai, Linzhu (Frontiers in Oncology, 2025)