Gianni, C., A. Natale, and A. Al-Ahmad. “Longstanding Persistent Atrial Fibrillation Ablation: How Do You Perform It?”. JOURNAL OF CARDIAC ARRHYTHMIAS, vol. 33, no. 2, May 2020, pp. 89-95, https://jca.emnuvens.com.br/jca/article/view/3384.