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 […]