A.Z. SHARAFEEV1, A.F. KHALIRAKHMANOV1, E.Kh. KHARISOVA2 1Kazan State Medical Academy, 36 Butlerov Str., Kazan, Russian Federation, 420012 2Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012 Sharafeev A.Z. ― D. Med. Sc., Head of the Department of Cardiology, Roentgen Endovascular and Cardiovascular Surgery, tel. (843) 233-30-49, e-mail: [email protected] Khalirakhmanov A.F. ― applicant of […]