CHIN, Ashley; MILLAR, Rob Scott. ECG Quiz 41. SA Heart Journal, [S. l.], v. 13, n. 1, p. 34, 2017. DOI: 10.24170/13-1-1690. Disponível em: https://orion.journals.ac.za/index.php/SAHJ/article/view/1690. Acesso em: 12 jun. 2026.