COVID-19 pandemic impact on headache in healthcare workers: a narrative review. Headache Medicine, [S. l.], v. 12, n. 2, p. 75–82, 2021. DOI: 10.48208/HeadacheMed.2021.17. Disponível em: https://headachemedicine.com.br/hm/article/view/450. Acesso em: 22 jan. 2026.