TY - JOUR T1 - Dirty-Appearing White Matter: A Disregarded Entity in Multiple Sclerosis JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 390 LP - 391 DO - 10.3174/ajnr.A1834 VL - 31 IS - 3 AU - M. Filippi AU - M.A. Rocca Y1 - 2010/03/01 UR - http://www.ajnr.org/content/31/3/390.abstract N2 - ER -