MILLAR, Rob; CHIN, Ashley. ECG Quiz 60 Question. SA Heart Journal, [S. l.], v. 18, n. 2, p. 148, 2021. DOI: 10.24170/18-2-4887. Disponível em: https://orion.journals.ac.za/index.php/SAHJ/article/view/4887. Acesso em: 12 jun. 2026.