PACHECO, Evelyn; RIBEIRO, Saulo; OKADA, Mariana; CARNEIRO, Jose Luís; SOUZA, Marcio Nattan Portes; BRANDÃO , Carlos Eduardo. Impact of the implementation of a headache protocol on cost reduction in a private hospital network: a cost-effectiveness assessment. Headache Medicine, [S. l.], v. 15, n. Supplement, p. 60, 2024. Disponível em: https://headachemedicine.com.br/index.php/hm/article/view/1177. Acesso em: 6 nov. 2025.