PT - JOURNAL ARTICLE AU - Filippi, M. AU - Rocca, M.A. TI - MR Imaging of Gray Matter Involvement in Multiple Sclerosis: Implications for Understanding Disease Pathophysiology and Monitoring Treatment Efficacy AID - 10.3174/ajnr.A1944 DP - 2009 Dec 31 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2009/12/31/ajnr.A1944.short 4100 - http://www.ajnr.org/content/early/2009/12/31/ajnr.A1944.full