Monitoring cholesterol levels: Measurement error or real change?. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 24, n. 4, p. 538–40, 2008. DOI: 10.32385/rpmgf.v24i4.10540. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10540. Acesso em: 17 apr. 2026.