Atrial fibrillation ablation strategies for paroxysmal patients: randomized comparison between different techniques. - Di Biase L; Elayi CS; Fahmy TS; Martin DO; Ching CK; Barrett C; Bai R; Patel D; Khaykin Y; Hongo R; Hao S; Beheiry S; et al. (Circulation. Arrhythmia and electrophysiology, 2009)