1. American Heart Association. Cardiovascular Disease Statistics. In: Science and Professional Statistics. http://www.americanheart.org ., 1999.
2. National Center for Health Statistics. Highlights of a new report from the National Center for Health Statistics (NCHS). Monitoring Health Care in America. Quarterly Report, March 1996.
3. American Heart Association. Cardiovascular Diseases. http://www.americanheart.org ., 1999.
4. American Heart Association. Economic Cost of Cardiovascular Diseases. http://www.american heart.org ., 1999.
5. American Heart Association. Heart Transplants and Statistics. http://www.americanheart.org ., 1999.