Xie, Wangge, Jing Ren, and Hai Zhang. “Research Progress on the Regulation of PD-L1 Expression and Its Role in Tumor Immunity”. Journal of Contemporary Medical Practice 8, no. 1 (January 29, 2026): 84–89. Accessed January 30, 2026. https://bryanhousepub.com/index.php/jcmp/article/view/2980.