Comparison of permanent left ventricular and biventricular pacing in patients with heart failure and chronic atrial fibrillation: prospective haemodynamic study
H?pital Cardiologique du Haut-Leveque, University of Bordeaux, Bordeaux-Pessac, France Sorin Biomedica, 9, rue Georges Besse, Bat.4, 92160 Antony, France. stgarrigue@aol.com