K.A. CHEREDNIKOVA, N.YU. FILINA, N.V. BOLOTOVA, M.G. PETROVA  Saratov State Medical University named after V.I. Razumovsky, Saratov  Contact details: Cherednikova K.A. — PhD (medicine), Assistant Professor of the Department of Propaedeutics of Children’s Diseases, Pediatric Endocrinology and Diabetology Address: 137 Bolshaya Sadovaya St., Saratov, Russian Federation, 410054, tel.: +7-927-147-77-86, e-mail: iw.nazarenko2012@yandex.ru  The purpose — to […]

G. Yu. PORETSKOVA, D. V. PECHKUROV, M.Yu. GAVRYUSHIN, O.V. SAZONOVA, E.N. VORONINA Samara State Medical University of the Ministry of Health of the Russian Federation, 89 Chapaevskaya St., Samara, Russian Federation 443099  Contact details: Poretskova G.Yu. — Cand. Med. Sc., Associate Professor of the Department of Children’s Diseases, e-mail: vra4_pediatr@mail.ru Pechkurov D.V. – D. Med. […]