RT Journal Article SR Electronic T1 Rate and rhythm control showed similar symptom improvement in atrial fibrillation JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 113 OP 113 DO 10.1136/ebm.6.4.113 VO 6 IS 4 YR 2001 UL http://ebm.bmj.com/content/6/4/113.abstract AB