RT Journal Article SR Electronic T1 Long-term results of the corridor operation for atrial fibrillation. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 594 OP 595 DO 10.1136/hrt.72.6.594-a VO 72 IS 6 A1 T O Cheng YR 1994 UL http://heart.bmj.com/content/72/6/594.2.abstract AB