1. From the Stroke Branch (S.U.L., J.C., L.D., A.E.B., J.H., S.W.), National Institute of Neurological Disorders and Stroke, Bethesda, Md; The Clinical Stroke Research Unit (T.D.), Neurology Department, National Naval Medical Center, Bethesda, Md; the Departments of Neurology/Neurosurgery (M.E.), Emory University School of Medicine, Atlanta, Ga; the Center for Neuroscience Services (J.H.), Washington Adventist Hospital, Takoma Park, Md; and the Stroke Program (P.N.), INOVA Fairfax Hospital, Falls...