Statement of the ethics committee of the Northern Health Region on informed consent. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 25, n. 5, p. 524–8, 2009. DOI: 10.32385/rpmgf.v25i5.10671. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10671. Acesso em: 18 apr. 2026.