Prylińska-Jaśkowiak, M., and M. Kożuchowski. “Current Knowledge about Chronic Fatigue Syndrome / Myalgic Encephalomyelitis (CFS/ME) Causes – Summary”. Journal of Education, Health and Sport, vol. 12, no. 9, Sept. 2022, pp. 712-9, doi:10.12775/JEHS.2022.12.09.084.