The association between periodontal disease and systemic diseases. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 22, n. 3, p. 379–90, 2006. DOI: 10.32385/rpmgf.v22i3.10250. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10250. Acesso em: 18 apr. 2026.