S.V. MALTSEV, G.Sh. MANSUROVA Kazan State Medical Academy, 36 Butlerov St., Kazan, Russian Federation, 420012  Maltsev S.V. — D. Med. Sc., Professor, Head of the Department of Pediatrics with a course in Polyclinic Pediatrics, tel. (843) 236-20-84, e-mail: maltc@mail.ru Mansurova G.Sh. — Cand. Med. Sc., Associate Professor of the Department of Pediatrics with a course […]