RT Journal Article SR Electronic T1 Five years of percutaneous transluminal septal myocardial ablation JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 255 OP 256 DO 10.1136/heart.83.3.255 VO 83 IS 3 A1 KNIGHT, CHARLES J YR 2000 UL http://heart.bmj.com/content/83/3/255.abstract AB