The role of dual bronchodilation in chronic obstructive pulmonary disease: an evidence-based review. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 33, n. 1, p. 48–54, 2017. DOI: 10.32385/rpmgf.v33i1.12023. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/12023. Acesso em: 17 apr. 2026.