HELENO, B. http://www.portaldasaude.pt/portal/conteudos/enciclopedia+da+saude/ http://www.nhsdirect.nhs.uk/languages/leaflets.aspx?language=pt. Revista Portuguesa de Medicina Geral e Familiar, [S. l.], v. 24, n. 1, p. 112, 2008. DOI: 10.32385/rpmgf.v24i1.10474. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10474. Acesso em: 3 mai. 2024.