1. Hospital discharges for cardiovascular diseases. Biostatistical fact sheets, 1-3;American Heart Association,1999
2. Congestive heart failure in the United States: a new epidemic. Congestive heart failure data fact Sheet, 1-6;National Heart, Lung and Blood Institute,1996
3. National hospital discharge survey: annual summary 1993;Graves;Vital Health Stat,1995
4. Older Americans and cardiovascular diseases. Biostatistical fact sheets, 1-5;American Heart Association,1999
5. The epidemiology of heart failure: the Framingham Study;Ho;J Amer Coll Cardiol,1993