1. American Heart Association. Heart and stroke facts: 1996 statistical supplement, p.15.
2. Congestive heart failure;Yamani;Mayo Clin Proc,1993
3. Heart failure;Eriksson;J intern Med,1995
4. Clinical Practice Guidelines. Heart failure: evaluation and care of patients with left ventricular systolic dysfunction. AHCPR Publication No. 940612. June 1994,11–23.
5. Guidelines for the evaluation and management of heart failure;Williams;Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Committee on Evaluation and Management of Heart Failure). J Am Coll Cardiol,1995