1. American Heart Association. Heart and stroke facts: 1996 statistical supplement. Dallas: American Heart Association, 1995.
2. National Center for Health Statistics. National hospital discharge survey, 1993. Rockville, MD: US Public Health Service, 1995.
3. Hartunian NS, Smart CN, Thompson MS. The incidence and economic costs of major health impairments. Lexington, MA: D.C. Heath, 1981.
4. Primary prevention and coronary heart disease;Oster;Am J Public Health,1986
5. Medical costs of coronary artery disease in the United States;Wittels;Am J Cardiol,1990