The analgesics used in the abortive treatment of migraine: When did they arrive in Brazil?. Headache Medicine, [S. l.], v. 8, n. 2, p. 38–42, 2017. DOI: 10.48208/HeadacheMed.2017.11. Disponível em: https://headachemedicine.com.br/hm/article/view/247. Acesso em: 22 jan. 2026.