KYRIAKAKIS, C.; BRAUNS, R.; BARNARD, B.; DOUBELL, A.; HERBST, P. Echocardiography Quiz. SA Heart Journal, [S. l.], v. 8, n. 4, p. 270, 2017. DOI: 10.24170/8-4-1889. Disponível em: https://www.journals.ac.za/SAHJ/article/view/1889. Acesso em: 8 oct. 2025.