Can atrial fibrillation with a coarse electrocardiographic appearance be treated with catheter ablation of the tricuspid valve-inferior vena cava isthmus? Results of a multicentre randomised controlled trial - Gupta,D; Earley,MJ; Haywood,GA; Richmond,L; Fitzgerald,M; Kojodjojo,P; Sporton,SC; Peters,NS; Broadhurst,P; Schilling,RJ (HEART, 2007)