CHIN, A.; SCOTT MILLAR, R. ECG Quiz 67 question. SA Heart Journal, [S. l.], v. 22, n. 1, p. 66, 2025. DOI: 10.24170/22-1-7221. Disponível em: https://www.journals.ac.za/SAHJ/article/view/7221. Acesso em: 24 nov. 2025.