E.M. MIKHEEVA¹, N.I. PENKINA² ¹The First Republican Clinical Hospital, 57 Votkinskoye Shosse, Izhevsk, Russian Federation, 426039 ²Izhevsk State Medical Academy, 281 Kommunarov St., Izhevsk, Russian Federation, 426034 Mikheeva E.M. — postgraduate student of the Department of Pediatrics and Neonatology, neonatologist, tel. +7-906-819-92-56, e-mail: [email protected] Penkina N.I. — D. Med. Sc., Professor of the Department of […]