N.V. RYLOVA1, A.V. ZHOLINSKY2, A.A. BIKTIMIROVA1 1Kazan State Medical University, Kazan 2Federal Scientific Clinical Center of Sports Medicine and Rehabilitation of FMBA, Moscow  Contact details: Rylova N.V. — MD, Professor of the Department of Hospital Pediatrics with a course in Polyclinic Pediatrics Address: 49 Butlerov Str., 420012, Kazan, tel.: (843) 237-30-37, e-mail: rilovanv@mail.ru  Objective: To […]