Catheter ablation for atrial fibrillation in congestive heart failure. - Hsu,L.F.; Jais,P.; Sanders,P.; Garrigue,S.; Hocini,M.; Sacher,F.; Takahashi,Y.; Rotter,M.; Pasquie,J.L.; Scavee,C.; Bordachar,P.; Clementy,J.; et al. (N Engl J Med, 2004)