S.V. MALTSEV1, A.M. ZAKIROVA1, G.Sh. MANSUROVA2 1Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012 2Kazan (Volga Region) Federal University, 74 Karl Marks Str., Kazan, Russian Federation, 420012  Maltsev S.V. ― D. Med. Sc., Professor of the Department of propaedeutics of children’s diseases, and theoretical pediatrics with the course of childhood diseases of […]