RT Journal Article SR Electronic T1 DD ACE gene polymorphism is associated with increased coronary artery endothelial dysfunction: the PREFACE trial JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 557 OP 558 DO 10.1136/heart.89.5.557 VO 89 IS 5 A1 Mulder, H J G H A1 van Geel, P P A1 Schalij, M J A1 van Gilst, W H A1 Zwinderman, A H A1 Bruschke, A V G YR 2003 UL http://heart.bmj.com/content/89/5/557.abstract AB