RIBEIRO MOREIRA, D. A. . Electrocardiographic changes that identify patients at risk for atrial fibrillation. JOURNAL OF CARDIAC ARRHYTHMIAS, [S. l.], v. 31, n. 2, p. 45–51, 2018. Disponível em: https://jca.org.br/jca/article/view/69. Acesso em: 3 dec. 2022.