LIMA, M. C. M.; MAIOLI, G. S.; VALENÇA, M. M. Red flags for secondary headaches: challenges in clinical practice. Headache Medicine, [S. l.], v. 13, n. 4, p. 242–248, 2022. DOI: 10.48208/HeadacheMed.2022.29. Disponível em: https://headachemedicine.com.br/index.php/hm/article/view/740. Acesso em: 9 may. 2024.