"I feel an irresistible urge to bang my head against the wall": a case series highlighting agitation and severe pain in cluster headache. Headache Medicine, [S. l.], v. 16, n. 3, p. 180–183, 2025. DOI: 10.48208/HeadacheMed.2025.29. Disponível em: https://headachemedicine.com.br/hm/article/view/1363. Acesso em: 22 jan. 2026.