T.V. CHERNYSHEVA¹, E.I. MALININA2, O.A. RYCHKOVA2 ¹Tyumen Cardiology Research Center ― branch of Tomsk National Research Medical Center of the Russian Academy of Sciences, 111 Melnikayte Str., Tyumen, Russian Federation, 625026 2Tyumen State Medical University, 54 Odesskaya Str., Tyumen, Russian Federation, 625023  Chernysheva T.V. ― Cand. Med. Sc., Head of Children’s Department, e-mail: cardio72@rambler.ru  The […]