1. From the Department of Neurology (M.F.), University of Massachusetts Medical School, Worcester, Mass; Wyeth Pharmaceuticals (G.F.), National Stroke Research Institute & University of Melbourne, Melbourne, Australia; Department of Medicine (D.W.H.), Department of Anesthesiology (P.D.H.), University of Oregon Health Sciences Center, Portland, Ore; Department of Neurology (T.A.K.), Baylor College of Medicine; Department of Neurology (S.I.S.), University of Texas, Houston Medical School, Houston,...