Pham, V. T.; Pham, N. H.; Nguyen, X. T.; Pham, L. T. Series Case Report of Efficacy and Safety of Radiofrequency Catheter Ablation to Treat Atrial Tachycardia Originating from the Distal Portion of the Atrial Appendage. VJCTS 2025, 51, 75 - 80.