Brown L K, Kahl F R, Link K M, Hamilton C A, Goff D C, Little W C, Hundley W G
Department of Internal Medicine (Section on Cardiology), Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157-1045, USA.
Am J Cardiol. 2000 Jul 1;86(1):121-4. doi: 10.1016/s0002-9149(00)00844-4.