Prevalence of headache and impact on anxiety in adults. Universa Medicina, [S. l.], v. 29, n. 2, p. 84–89, 2010. DOI: 10.18051/UnivMed.2010.v29.84-89. Disponível em: https://univmed.org/ejurnal/index.php/medicina/article/view/206. Acesso em: 18 apr. 2025.