DOUBELL, A. The left atrial appendage - a design flaw or an essential structure?. SA Heart Journal, [S. l.], v. 15, n. 1, p. 2–4, 2018. DOI: 10.24170/15-1-2904. Disponível em: https://www.journals.ac.za/SAHJ/article/view/2904. Acesso em: 8 oct. 2025.