Wang, Y. , Lu, H. and Li, M. 2022. Expression of PD-L1 and PD-1 in stage T4 rectal cancer tissues and surrounding metastatic lymph nodes and correlation with prognosis: PD-L1 and PD-1 in rectal cancer tissues . Cellular and Molecular Biology. 68, 8 (Aug. 2022), 74–78. DOI:https://doi.org/10.14715/cmb/2022.68.8.13.