Evidence or convenience. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 22, n. 3, p. 333–5, 2006. DOI: 10.32385/rpmgf.v22i3.10242. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10242. Acesso em: 18 apr. 2026.