The strange disappearance of a copper intrauterine device: a case report. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 38, n. 4, p. 392–5, 2022. DOI: 10.32385/rpmgf.v38i4.13317. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/13317. Acesso em: 17 apr. 2026.