Romanchuk, Alexander P, and Oksana V Guzii. “Features of the Blood Pressure Variability of Athletes With Different Levels of Functional State of the Body”. Journal of Education, Health and Sport 9, no. 3 (March 3, 2019): 11–20. Accessed July 18, 2024. https://apcz.umk.pl/JEHS/article/view/6645.