8. Yamada, T.; McElderry, H.T.; Doppalapudi, H.; Okada, T.; Murakami, Y.; Yoshida, Y.; Yoshida, N.; Inden, Y.; Murohara, T.; Plumb, V.J.; et al. Idiopathic ventricular arrhythmias originating from the left ventricular summit: Anatomic concepts relevant to ablation. Circ. Arrhythmia Electrophysiol. 2010, 3, 616–623, doi:10.1161/CIRCEP.110.939744.