R.A. USHAKOVA, O.P. KOVTUN Ural State Medical University, 3 Repina St., Ekaterinburg, Russian Federation, 620219 Ushakova R.A. — Candidate of Medical Sciences, Associate Professor of the Department of Pediatrics and Neonatology, tel. +7-912-667-48-81, e-mail: [email protected] Kovtun O.P. — Doctor of Medical Sciences, Professor, Head of the Department of Pediatrics and Neonatology, tel. (343)214-86-79, e-mail: [email protected]  43 first life year […]