LUBBE, W.W.; HERBST, P.G. Answer to Echocardiography Quiz. SA Heart Journal, [S. l.], v. 9, n. 3, p. 200–203, 2017. DOI: 10.24170/9-3-1842. Disponível em: https://scriptura.journals.ac.za/index.php/SAHJ/article/view/1842. Acesso em: 12 jun. 2026.