RT Journal Article SR Electronic T1 Long-term results of DC reversion of atrial fibrillation. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 91 OP 96 DO 10.1136/hrt.30.1.91 VO 30 IS 1 A1 M D Radford A1 D W Evans YR 1968 UL http://heart.bmj.com/content/30/1/91.abstract AB