A.A. NIZHEVITCH1, R.Sh. GIMAZETDINOVA1,2, G.M. YAKUPOVA2, M.M. TUYGUNOV1, A.Ya. VALIULINA1 1Bashkir State Medical University, 3 Lenin Str., 450000 Ufa, Russian Federation 2GBSU Republican Children’s Clinical Hospital, 98 Stepana Kuvykina Str., 450092 Ufa, Russian Federation  Nizhevich A.A. — Doc. Med. Sc., Professor of the Department of Hospital Pediatrics, tel. (347) 229-08-00, e-mail: aanj@yandex.ru Gimazetdinova R.Sh. — […]