Journal of the American College of Cardiology, Volume 61, Issue 13, 1 1 2013, Pages e157 Fishing in the heart: removal of a free closure device inside the left atrium. Montero-Cabezas JM, Velázquez-Martín MT, Fernández-Casares S, Albarrán-González-Trevilla A, López-Melgar B, Centeno-Rodríguez J, Tascón-Pérez JC