V.A. BAYAZITOVA1, A.Z. SHARAFEEV1,2 ¹Kazan State Medical Academy, 36 Butlerov St., Kazan, Russian Federation, 420012 ²Republican Clinical Hospital № 2, 1a Chekhov St., Kazan, Russian Federation, 420043 Bayazitova V.A. — postgraduate student of the Department of Cardiology, X-Ray Endovascular and Cardiovascular Surgery, tel. +7-905-349-01503, e-mail: [email protected] Sharafeev A.Z. — D. Med. Sc., Head of the […]