RT Journal Article SR Electronic T1 Does a well developed collateral circulation predispose to restenosis after percutaneous coronary intervention? An intravascular ultrasound study JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society DO 10.1136/hrt.2005.067322 A1 Divaka Perera A1 Pieter Postema A1 Rizwan Rashid A1 Sundip Patel A1 Lucy Blows A1 Michael Marber A1 Simon Redwood YR 2005 UL http://heart.bmj.com/content/early/2005/10/10/hrt.2005.067322.abstract AB