Comparison of coronary artery bypass surgery and percutaneous coronary intervention in patients with diabetes: a meta-analysis of randomised controlled trials. The Lancet Diabetes & Endocrinology. 2013;1:317 28. Key Words: AHA Scientific Statements cardiac catheterization cardiovascular chelation therapy coronary angiography coronary artery bypass counterpulsation diagnostic techniques focused update myocardial ischemia percutaneous coronary intervention. Appendix 1. 