V.A. SAVVINA, A.R. VARPHOLOMEEV, V.N. NIKOLAEV, A.Yu. TARASOV Medical institute of North-Eastern Federal University named after M.K. Ammosov, Yakutsk Pediatric Centre of Republican hospital № 1 National Medical Center, Yakutsk  Savvina Valentina Alekseevna Candidate of Medical Science, Associate Professor of the Department of Pediatrics and Children Surgery of the Medical Institute of the North—Eastern Federal University named […]