Rui Guo, Pan-guo Rao, Bao-zhen Liao, Xin Luo, Wen-wen Yang, Xing-heng Lei, Jun-ming Ye. "Melatonin suppresses PD-L1 expression and exerts antitumor activity in hepatocellular carcinoma." Scientific Reports, 2025. doi:10.1038/s41598-025-93486-4