title: Cerebrovascular diseases: controversies and challenges.
authors.affiliation: H. Houston Merritt Distinguished Professor and Chair, Department of Neurology, University of North Carolina at Chapel Hill, Room 2131, CB #7025, 170 Manning Drive, Chapel Hill, NC 27514, USA. Electronic address: powersw@neurology.unc.edu.
authors.forename: William J
authors.initials: WJ
authors.lastname: Powers
mesh_terms: D002561:Cerebrovascular Disorders; D006801:Humans