VALENÇA, Marcelo Moraes; ANDRADE-VALENÇA, Luciana Patrízia A.; COSTA, Maria Helena. "Next time you have a headache, remember – pain is an illusion…". Headache Medicine, [S. l.], v. 3, n. 2, p. 53–54, 2012. DOI: 10.48208/HeadacheMed.2012.12. Disponível em: https://headachemedicine.com.br/index.php/hm/article/view/320. Acesso em: 6 nov. 2025.