VAN RENSBURG, A.; KYRIAKAKIS, C.; PECORARO, A.; HERBST, P. When opportunity knocks. SA Heart Journal, [S. l.], v. 13, n. 2, p. 122–124, 2017. DOI: 10.24170/13-2-1679. Disponível em: https://www.journals.ac.za/SAHJ/article/view/1679. Acesso em: 8 oct. 2025.