G.S. MASKOVA, V.M. GANUZIN, Z.A. SOKOLOVA, A.A. KHRYASHCHEV Yaroslavl State Medical University of the Ministry of Health of the Russian Federation, Yaroslavl Contact: Maskova G.S. ― PhD (medicine), Associate Professor of the Department of Pediatrics Address: 5 Revolutsionnaya Str., 150000, Yaroslavl, Russian Federation, tel. (485) 235-66-92, e-mail: maskovags@mail.ru Objective. To study the medical and social […]