71. Marai, I.; Boulos, M.; Lessick, J.; Abadi, S.; Blich, M.; Suleiman, M. Outflow tract ventricular arrhythmia originating from the aortic cusps: Our approach for challenging ablation. J. Interv. Card. Electrophysiol. 2016, 45, 57–62, doi:10.1007/s10840-015-0076-3.