ZBOROWSKI, Marek, MIKULEC, Anna, STAWIARSKA, Aleksandra and BALIGA, Cezary. Return to physical activity after recovering from COVID-19. Journal of Education, Health and Sport. Online. 3 February 2023. Vol. 13, no. Supplement Issue 2, pp. 61-71. [Accessed 27 July 2024]. DOI 10.12775/JEHS.2023.13.S2.005.