LIEBENBERG, J.; DOUBE, A.; HERBST, P. Echocardiography quiz: Answer. SA Heart Journal, [S. l.], v. 12, n. 3, p. 166, 2017. DOI: 10.24170/12-3-1734. Disponível em: https://www.journals.ac.za/SAHJ/article/view/1734. Acesso em: 8 oct. 2025.