CHIN, A.; MILLAR, R. ECG Quiz 71 Answers. SA Heart Journal, [S. l.], v. 23, n. 1, p. 49–50, 2026. DOI: 10.24170/23-1-7948. Disponível em: https://www.journals.ac.za/SAHJ/article/view/7948. Acesso em: 3 feb. 2026.