RT Journal Article SR Electronic T1 Appropriate indications for radiofrequency catheter ablation. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 407 DO 10.1136/hrt.72.5.407 VO 72 IS 5 A1 C J Garratt YR 1994 UL http://heart.bmj.com/content/72/5/407.abstract AB