Breastfeeding: A study of factors related with early weaning. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 23, n. 6, p. 685–99, 2007. DOI: 10.32385/rpmgf.v23i6.10424. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10424. Acesso em: 18 apr. 2026.