Povetkina, T. M., E. A. Gozhenko, and W. Zukow. “Heart Rate Variability As a Marker of Term Adaptation Mechanisms in Predicting an Individual Adaptation to the Balneotherapy”. Journal of Education, Health and Sport 5, no. 1 (January 31, 2015): 249–262. Accessed April 23, 2024. https://apcz.umk.pl/JEHS/article/view/3020.