- www.acc.org -- American College of Cardiology
- www.americanheart.org -- American Heart Association
- www.ash-us.org -- American Society of Hypertension
- www.nhlbi.nih.gov/hbp -- National Heart, Lung, and Blood Institute
Review Date: 04/06/2010
Reviewed By: Harvey Simon, MD, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.