For citations:
Polyakova A.S., Sokolov E.A., Pushkar D.Yu. Effectiveness of pembrolizumab in therapy of sarcomatoid variant of metastatic urothelial carcinoma. Clinical case. Cancer Urology. 2024;20(4):104-111. (In Russ.) https://doi.org/10.17650/1726-9776-2024-20-4-104-111