E.V. PSHENICHNAYA, N.A. TONKIKH, N.A. USENKO, V.V. SOSNA Donetsk National Medical University named after M. Gorkiy, Donetsk, Ukraine   Contact details: Pshenichnaya E.V. – PhD (medicine), Associate Professor, Head of the Department of Pediatrics Address: 16a prospekt Ilyicha, 283003 Donetsk, Ukraine, tel.: +3(8099)-492-55-54, e-mail: pshenichnayal@yandex.ru Objective. To present a review of the literature and a clinical […]