RT Journal Article SR Electronic T1 Measurement of Volumetric Lesion Load in Multiple Sclerosis: Moving from Normal- to Dirty-Appearing White Matter JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1929 OP 1930 VO 24 IS 10 A1 Sandy Cheng-Yu Chen A1 Hsiao-Wen Chung A1 Michelle Liou YR 2003 UL http://www.ajnr.org/content/24/10/1929.abstract AB