1. From the Department of Research and Education, St Francis Hospital/SUNY at Stony Brook (E.B., J.H.), Roslyn, NY; Department of Internal Medicine, Division of Cardiology, the University of Maryland Medical Systems (J.S.G., W.J.K.), Baltimore, Md; Department of Internal Medicine, Division of Cardiology, University of Massachusetts (G.A.), Worcester, Mass; Department of Internal Medicine, Division of Cardiology, Wake Forest University (D.W.K.), Winston-Salem, NC; and Laboratory of Clinical Biochemistry...