MILLAR, Rob Scott; CHIN, Ashley. ECG Quiz 38. SA Heart Journal, [S. l.], v. 12, n. 2, p. 88, 2017. DOI: 10.24170/12-2-1724. Disponível em: https://orion.journals.ac.za/index.php/SAHJ/article/view/1724. Acesso em: 12 jun. 2026.