E.V. PODSVIROVA1, M.M. GUROVA1,2,3, T.A. ROMANOVA1 1Belgorod State National Research University of the Russian Ministry of Education, Belgorod 2Saint Petersburg State Pediatric University, Saint Petersburg 3Clinical Diagnostic Center for Children, Saint Petersburg  Contact: Podsvirova E.V. ― Assistant Lecturer of the Department of Pediatrics with a course of Surgical Diseases Address: 85 Pobedy Str., 308015, Belgorod, […]