Jackman J D, Navetta F I, Smith J E, Tcheng J E, Davidson C J, Phillips H R, Califf R M, Nelson C L, Gardner L H, Stack R S
Department of Internal Medicine, Duke University Medical Center, Durham, North Carolina 27712.
Am J Cardiol. 1991 Jul 1;68(1):116-9. doi: 10.1016/0002-9149(91)90724-y.