For citations:
Zavalishina L.E., Povilaitite P.E., Raskin G.A., Andreeva Yu.Yu., Petrov A.V., Kharitonova E.A., Pugach I.M., Frank G.A., Rumyantsev A.A., Tsimafeyeu I.S., Tjulandin S.А. Assessment of PD-L1 expression in patients with urothelial cancer with contraindications to platinum based therapy. Malignant tumours. 2019;9(1):10-15. (In Russ.) https://doi.org/10.18027/2224-5057-2019-9-1-10-15