W. L. Winters

A Report of the American College of Cardiology/American Heart Association/American College of Physicians–American Society of Internal Medicine Task Force on Clinical Competence Developed in Collaboration with the American Society of Echocardiography, the Society of Cardiovascular Anesthesiologists,

J. Hirshfeld, A. Pearlman, W. Zoghbi, 2003 .

ACC / AHA 2002 Guideline Update for Exercise Testing

E. Antman, D. Faxon, G. Gregoratos, 2003 .