Can We Always Believe what We See? Entrainment Remains Important for Diagnosis of Atrial Macro-Reentry in the Era of High Density 3D Mapping - Pathik, B.; Lee, G.; Bates, M.; Lipton, J.; Prabhu, S.; Nalliah, C.; Sparks, P.; Morton, J.; Kistler, P.; Kalman, J. (Heart, lung & circulation, 2016)