Ultra High-Density Multipolar Mapping With Double Ventricular Access: A Novel Technique for Ablation of Ventricular Tachycardia J Cardiovasc Electrophysiol. 15 October Oct 2010 15 years ago Tung R, Nakahara S, Maccabelli G, Buch E, Wiener I, Boyle NG, Carbucicchio C, Bella PD, Shivkumar K. http://www.ncbi.nlm.nih.gov/pubmed/20653813