RT Journal Article SR Electronic T1 LONE AURICULAR FIBRILLATION JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 189 OP 194 DO 10.1136/hrt.16.2.189 VO 16 IS 2 A1 William Evans A1 Peter Swann YR 1954 UL http://heart.bmj.com/content/16/2/189.abstract AB