Preconception care: The role of the family doctor. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 23, n. 1, p. 88–9, 2007. DOI: 10.32385/rpmgf.v23i1.10329. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10329. Acesso em: 18 apr. 2026.