1. American Heart Association Risk Factors and Coronary Heart Disease http://www.americanheart.org/presenter.jhtml?identifier=4726
2. UK Department of Health Coronary Heart Disease: Tackling Inequalities http://www.dh.gov.uk/en/Healthcare/NationalSeviceFrameworks/Coronaryheartdisease/index.htm
3. Variations in use of cardiology services in a health authority: comparison of coronary artery revascularisation rates with prevalence of angina and coronary mortality;Payne;BMJ,1997