RT Journal Article SR Electronic T1 In patients with persistent atrial fibrillation complex ablation techniques were no better than pulmonary vein isolation alone in preventing recurrent atrial fibrillation JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 175 OP 175 DO 10.1136/ebmed-2015-110238 VO 20 IS 5 A1 Martin Manninger A1 Daniel Scherr YR 2015 UL http://ebm.bmj.com/content/20/5/175.abstract AB