1. Grading of angina pectoris;Campeau;Circulation,1975
2. Nomenclature and Criteria for Diagnosis of Diseases of the Heart and Great Vessels,1979
3. Weintraub WS, McKay CR, Riner RN, Ellis SG, Frommer PL, Carmichael DB, Hammermeister KE, Effros MN, Bost JE, Bodycombe DP, for the American College of Cardiology Database Committee. The American College of Cardiology National Database: progress and challenges. J Am Coll Cardiol 1997;29:495–465.
4. Society of Thoracic Surgeons web site. http://www.sts.org/outcomes.
5. Evaluating the yield of medical tests;Harrell;JAMA,1982