BUYS, D.G.; GREIG, C.; BROWN, S.C. ASD and PDA closure with CeraTM and CeraFlexTM devices. SA Heart Journal, [S. l.], v. 13, n. 1, p. 6–10, 2017. DOI: 10.24170/13-1-1686. Disponível em: https://orion.journals.ac.za/index.php/SAHJ/article/view/1686. Acesso em: 12 jun. 2026.