O.V. KOMPANIETS, N.V. BOLOTOVA, N.YU. FILINA, A.S. MYASNIKOVA, V.K. POLYAKOV, A.A. SHAGIROV  Saratov State Medical University named after V.I. Razumovskiy, Saratov Contact details: Kompaniets O.V. — PhD (Medicine), Associate Professor of the Department of Propedeutics of Children’s Diseases, Children’s Endocrinology and Diabetology Address: 5–11 Gvardeyskaya St., Saratov, Russian Federation, 410033, tel.: +7937-225-19-87, e-mail: ovkompaniets@gmail.com The purpose […]