For citations:

Kuzmina O.K., Stasev A.N., Dvadtsatov I.V., Blinova A.V., Osintsev E.S., Evtushenko A.V., Barbarash O.L., Barbarash L.S. COMPARATIVE ANALYSIS OF MITRAL VALVE REPAIR AND REPLACEMENT USING BIOLOGICAL PROSTHESIS IN ELDERLY PATIENTS (PSM method). Complex Issues of Cardiovascular Diseases. 2024;13(2):50-59. (In Russ.) https://doi.org/10.17802/2306-1278-2024-13-2-50-59