CESAR, Alcântara Ramos de Assis; FERREIRA, Pablo Guarisco; FABRIS, Ângelo Afonso; SILVA, Paola Bernardi da. Case report: a paroxysmal hemicrania responsive to verapamil. Headache Medicine, [S. l.], v. 13, n. Supplement, p. 32, 2022. DOI: 10.48208/HeadacheMed.2022.Supplement.32. Disponível em: https://headachemedicine.com.br/index.php/hm/article/view/702. Acesso em: 4 dec. 2025.