1. Identifying hub genes of papillary thyroid carcinoma in the TCGA and GEO database using bioinformatics analysis
   Ying Wan et al, 2020, PeerJ CrossRef
2. c-Met up-regulates the expression of PD-L1 through MAPK/NF-κBp65 pathway
   Ruyue Xu et al, 2022, Journal of Molecular Medicine CrossRef
3. Pathological significance of abnormal recepteur d’origine nantais and programmed death ligand 1 expression in colorectal cancer
   Yi-Zhi Liu et al, 2020, World Journal of Gastrointestinal Oncology CrossRef
4. Immunohistochemical expression of immune check point protein PDL-1 in hepatocellular carcinoma denotes its prognostic significance and association with survival
   Dina Omar Helmy et al, 2023, Journal of Immunoassay and Immunochemistry CrossRef
5. The current status and future of PD-L1 in liver cancer
   Liyuan Hao et al, 2023, Frontiers in Immunology CrossRef