N.V. RULOVA1, S.V. MALTSEV1, A.V. ZHOLINSKIY2 1Kazan State Medical University of the Ministry of Health of the Russian Federation 2Federal Scientific and Clinical Center for Sports Medicine and Rehabilitation of Federal Medical and Biological Agency  Address for correspondence: Rulova N.V. – D. Med. Sc., Professor of the Department of Hospital Pediatrics of Kazan State Medical […]