Multicyclic Peptides Targeting PD-L1 for Radiotheranostics: From Discovery to Clinical Proof-of-Concept - Xueting Cheng; Shuo Jiang; Xingtong Peng; Pan Yang; Siqi Zhang; Chaoying Xu; Xin Gao; Shihui Fan; Hongtan Liu; Jie Zhuang; Xueyao Chen; Naixin Liang; et al. (Journal of the American Chemical Society, 2025)