title: Testing a test: a report card for DWI in acute stroke.
authors.forename: W J
authors.initials: WJ
authors.lastname: Powers
mesh_terms: D006801:Humans; D007089:Image Enhancement; D008279:Magnetic Resonance Imaging / Q000295:instrumentation / Q000379:methods / Q000592:standards*; D015588:Observer Variation; D011237:Predictive Value of Tests; D011446:Prospective Studies; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D020521:Stroke / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000628:therapy; D014057:Tomography, X-Ray Computed