TY - JOUR T1 - Diffusely Abnormal White Matter in Progressive Multiple Sclerosis: In Vivo Quantitative MR Imaging Characterization and Comparison between Disease Types JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. DO - 10.3174/ajnr.A1839 AU - H. Vrenken AU - A. Seewann AU - D.L. Knol AU - C.H. Polman AU - F. Barkhof AU - J.J.G. Geurts Y1 - 2009/10/22 UR - http://www.ajnr.org/content/early/2009/10/22/ajnr.A1839.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -