Al Suwaidi J, Higano S T, Hamasaki S, Holmes D R, Lerman A
Center for Coronary Physiology and Imaging, The Division of Cardiovascular Diseases, Department of Internal Medicine, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA.
Am J Cardiol. 2001 Dec 1;88(11):1300-3. doi: 10.1016/s0002-9149(01)02093-8.