RT Journal Article SR Electronic T1 Photodynamic therapy: shedding light on restenosis JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 612 OP 618 DO 10.1136/heart.86.6.612 VO 86 IS 6 A1 R Mansfield A1 S Bown A1 J McEwan YR 2001 UL http://heart.bmj.com/content/86/6/612.abstract AB