Vogiatzis I, Sdogkos E, Koutsampasopoulos K. Efficacy and Safety of flecainide p.os. in cardioversion of recent-onset atrial fibrillation. Ann Med Res . 2021;28(7):1400-1405. Accessed August 25, 2026. http://www.annalsmedres.org/index.php/aomr/article/view/3857