Chronic fatigue syndrome – challenge in diagnosis and management: a literature review. Journal of Medical Science, Poznań, Poland, v. 92, n. 4, p. e877, 2023. DOI: 10.20883/medical.e877. Disponível em: https://horkruks.ump.edu.pl/index.php/JMS/article/view/877. Acesso em: 17 aug. 2025.