PT - JOURNAL ARTICLE AU - Filippi, M. AU - Rocca, M.A. AU - Barkhof, F. AU - Bakshi, R. AU - Fazekas, F. AU - Khan, O. AU - Pelletier, D. AU - Rovira, A. AU - Simon, J. TI - Multiple Sclerosis and Chronic Cerebrospinal Venous Insufficiency: The Neuroimaging Perspective AID - 10.3174/ajnr.A2348 DP - 2011 Mar 01 TA - American Journal of Neuroradiology PG - 424--427 VI - 32 IP - 3 4099 - http://www.ajnr.org/content/32/3/424.short 4100 - http://www.ajnr.org/content/32/3/424.full SO - Am. J. Neuroradiol.2011 Mar 01; 32