RT Journal Article SR Electronic T1 Effect of statin treatment on coronary collateral flow in patients with coronary artery disease JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 448 OP 449 DO 10.1136/hrt.2003.017871 VO 90 IS 4 A1 S Zbinden A1 N Brunner A1 K Wustmann A1 M Billinger A1 B Meier A1 C Seiler YR 2004 UL http://heart.bmj.com/content/90/4/448.abstract AB