A critical look. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 18, n. 2, p. 133, 2002. DOI: 10.32385/rpmgf.v18i2.9873. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/9873. Acesso em: 18 apr. 2026.