V.N. OSLOPOV1, YU.V. OSLOPOVA2, E.V. KHAZOVA1, E. R. GIRFANUTDINOVA1  1Kazan State Medical University, Kazan 2Kazan (Volga) Federal University, Kazan  Contact details: Khazova E.V. — PhD (medicine), Associate Professor of the Department of Internal Diseases Propedeutics named after Professor S.S. Zimnitsky Address: 49 Butlerov St., Kazan, Russian Federation, 420012, tel.: +7-905-313-97-10, e-mail: hazova_elena@mail.ru  The leading death […]