R.G. GAMIROVA1, O.V. KNYAZEVA1, A.R. GADIEVA1, S.M. BILALOVA2 1KSMA ― Branch Campus of the FSBEI FPE RMACPE MOH Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012 2Kazan Municipal Children’s Hospital №8 named after A.Yu. Ratner, 11 Galeev Str., Kazan, Russian Federation, 420061  Gamirova R.G. ― Cand. Med. Sc., Associate Professor of the Department of Pediatric […]