D.D. LERNER, S.D. MAYANSKAYA Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation 420012   Lerner D.D. ― postgraduate student of the Department of Hospital Therapy, tel. +7 (843) 233-30-36, e-mail: [email protected] Mayanskaya S.D. ― D. Med. Sc., Professor of the Department of Hospital Therapy, tel. +7-905-316-99-66, e-mail: [email protected] The review presents modern data […]