T.A. MARTYNOVA¹, N.I. MAKSIMOV², R.M. VALEEVA² ¹Republic Clinical-Diagnostic Center, 87b Lenin Str., Izhevsk, Russian Federation, 426009 ²Izhevsk State Medical Academy, 281 Kommunarov Str., Izhevsk, Russian Federation, 426034 Martynova T.A. — cardiologist, Assistant Lecturer of the Department of Hospital Therapy with the courses of Cardiology and Functional Diagnostics, e-mail: tatyana_martynova@list.ru Maksimov N.I. — Doc. Med. Sc., […]