For citations:
Sotnikova T.N., Danilova N.V., Malkov P.G., Polushkina T.V. Programmed death ligand 1 (PD-L1) expression in gastric cancer: literature review. Advances in Molecular Oncology. 2023;10(2):70-77. (In Russ.) https://doi.org/10.17650/2313-805X-2023-10-2-70-77