Cortez-Cooper Miriam Y, Supak James A, Tanaka Hirofumi
Cardiovascular Aging Research Laboratory, Department of Kinesiology and Health Education, University of Texas at Austin, Austin, TX 78712, USA.
Am J Cardiol. 2003 Jun 15;91(12):1519-22, A9. doi: 10.1016/s0002-9149(03)00416-8.