For citations:
Kovylina M.V., Prilepskaya E.A., Tupikina N.V., Reva I.A. Prognostic role of Ki-67 expression in determination of risk of non-muscle invasive bladder cancer recurrence. Cancer Urology. 2017;13(1):67-73. (In Russ.) https://doi.org/10.17650/1726-9776-2017-13-1-67-73