Bragagni, Gianpaolo, Chiu Hua Chen, Federico Lari, and Gaetano Magenta. “Interatrial Block As Electrocardiographic Predictive Sign for Atrial Fibrillation in Patients Hospitalized in Internal Medicine Departments”. Italian Journal of Medicine 13, no. 2 (April 16, 2019): 103–108. Accessed March 29, 2024. https://www.italjmed.org/ijm/article/view/itjm.2019.1134.