MILLAR, R. S. .; CHIN, A. . ECG quiz 66 question. SA Heart Journal, [S. l.], v. 21, n. 3, p. 264, 2024. DOI: 10.24170/21-3-6892. Disponível em: https://www.journals.ac.za/SAHJ/article/view/6892. Acesso em: 8 oct. 2025.