RT Journal Article SR Electronic T1 Undertreatment of coronary heart disease in patients undergoing coronary artery bypass surgery JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 697 OP 698 DO 10.1136/hrt.2005.069914 VO 92 IS 5 A1 N Sambu A1 D S Wald A1 M Seddon A1 I A Simpson YR 2006 UL http://heart.bmj.com/content/92/5/697.abstract AB