Romanchuk, A. P., O. Guziy, V. Podgorna, and M. Glushchenko. “‘SAFE’ LEVEL OF SOMATIC HEALTH IN INDICATORS REGULATION OF CARDIORESPIRATORY SYSTEM AT YOUNG MEN”. Journal of Education, Health and Sport, vol. 5, no. 12, Dec. 2015, pp. 189-16, https://apcz.umk.pl/JEHS/article/view/3147.