P.E. OPOLONSKAYA1, N.I. MAXIMOV1, M.Yu. SMETANIN2 1Izhevsk State Medical Academy, Izhevsk 2Clinical Diagnostic Centre of the Ministry of Healthcare of Udmurt Republic, Izhevsk  Opolonskaya P.E. ― Assistant of the Department of Hospital Therapy with courses of Cardiology and Functional Diagnostics Address: 281 Kommunarov Str., Izhevsk, Russian Federation, 426034, e-mail: zareckaya.polina@mail.ru  Objective ― to study effects […]