1. American Heart Association Heart and Stoke Facts–2006 at AHA Heart Stoke Facts.
2. Center for Disease Control and Health Statistics. Available at: http://CDC.org/Heartfailure/faststats/2006.
3. Available at: http://UScensus.org.
4. National Heart, Lung, and Blood Institute. Congestive heart failure data fact sheet. Available at: http://www.nhlbi.nih.gov/health/public/heart/other/CHF.htm. Accessed 2006.
5. Heart failure—an epidemic of uncertain proportions;Redfield;N Engl J Med,2002