Bragagni, G., C. H. Chen, F. Lari, and G. Magenta. “Interatrial Block As Electrocardiographic Predictive Sign for Atrial Fibrillation in Patients Hospitalized in Internal Medicine Departments”. Italian Journal of Medicine, vol. 13, no. 2, Apr. 2019, pp. 103-8, doi:10.4081/itjm.2019.1134.