Ablation of ventricular tachycardia associated with tetralogy of Fallot: demonstration of bidirectional block.
Horton RP, Canby RC, Kessler DJ, Joglar JA, Hume A, Jessen ME, Scott WP, Page RL. Ablation of ventricular tachycardia associated with tetralogy of Fallot: demonstration of bidirectional block. J Cardiovasc Electrophysiol. 1997 Apr; 8(4):432-5.