Caldera Angel E, Bryce Miguel, Kotler Morris, Braitman Leonard E, Spielman Scott
Department of Medicine, Office of Research and Technology Development, Albert Einstein Medical Center, Philadelphia, Pennsylvania 19141, USA.
Am J Cardiol. 2002 Dec 1;90(11):1240-3. doi: 10.1016/s0002-9149(02)02842-4.