I.L. NIKITINA, A.M. TODIYEVA, T.L. KARONOVA North-West Federal Medical Research Center named after V.A. Almazov of the Russian Ministry of Healthcare, Saint Petersburg For correspondence: Nikitina I.L. – D. Med. Sc., Professor, Head of the Department of Children’s Diseases, Head of Scientific-research laboratory of Children’s Endocrinology of National Medical Research Center named after V.A. Almazov, […]