N.A. TSIBULKIN1, E.B. FROLOVA2 1Kazan State Medical Academy ― Branch Campus of the FSBEI FPE RMACPE MOH Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012 2Municipal Clinical hospital №7, 54 Chykov Str., Kazan, Russian Federation, 420137   Tsibulkin N.A. ― PhD (medicine), Associate Professor of the Department of Cardiology, Roentgen Endovascular and Cardiovascular Surgery, tel. (843) […]