S.V. YAKOVLEVA1, 2, I.YU. PIROGOVA1  1South Urals State Medical University, Chelyabinsk 2Medical Center «Lotos», Chelyabinsk   Contact details: Yakovleva S.V. — postgraduate student of the Department of Faculty Therapy, Head of the Department of Therapy Address: 64 Vorovskogo St., Chelyabinsk, Russian Federation, 454092, tel.: +7-909-083-19-79, e-mail: ysv9090831979@gmail.com  The purpose — to study the effect of vitamin […]