D.R. KHASTIEVA1, N.A. TARASOVA1, M.I. MALKOVA1, E.B. ZAKIROVA2, N.R. KHASANOV1 1Kazan State Medical University, Kazan 2Municipal Clinical Hospital No. 7 named after M. N. Sadykov, Kazan   Contact details: Khastieva D.R. — Assistant Lecturer of the Department of Introduction to Internal Diseases named after Prof. C. C. Zimnitskiy Address: 49 Butlerov St., Kazan, Russian Federation, 420012, tel.: […]