PANKANIN, Ewelina Stefania. Chronic fatigue syndrome - criteria for diagnosis, etiology, treatment. Journal of Education, Health and Sport, [S. l.], v. 8, n. 7, p. 430–435, 2018. Disponível em: https://apcz.umk.pl/JEHS/article/view/5748. Acesso em: 27 dec. 2025.