Endocardial Ablation of Atrial Flutter with Involvement of the Vein of Marshall: A Case Report. - Addeo, Lucio; Triantafyllou, Konstantinos; Dockx, Hellen; Shumkova, Monika; Rapacciuolo, Antonio; Nardi, Stefano; Marino, Vittoria; Argenziano, Luigi; Guarini, Pasquale; Dalla Vecchia, Laura Adelaide; Donatelli, Francesco; De Potter, Tom (Journal of Clinical Medicine, 2025)