S.V. MALTSEV1, 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 pediatrics and neonatology, tel. (843) 221-94-34, e-mail: maltc@mail.ru Mansurova G.Sh. ― Cand. Med. Sc., Associate Professor […]