VALENÇA, M. M. Many different forms to treat a headache attack. Headache Medicine, [S. l.], v. 8, n. 2, p. 32–33, 2017. DOI: 10.48208/HeadacheMed.2017.9. Disponível em: https://www.headachemedicine.com.br/index.php/hm/article/view/245. Acesso em: 5 may. 2025.