title: Magnetic resonance imaging in acute stroke: not ready for prime time.
authors.forename: W J
authors.initials: WJ
authors.lastname: Powers
authors.forename: J
authors.initials: J
authors.lastname: Zivin
mesh_terms: D000208:Acute Disease; D002561:Cerebrovascular Disorders / Q000175:diagnosis*; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods* / Q000592:standards; D011237:Predictive Value of Tests