RT Journal Article SR Electronic T1 Tissue-Specific MR Imaging in Multiple Sclerosis JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1277 OP 1278 DO 10.3174/ajnr.A1777 VO 30 IS 7 A1 À. Rovira YR 2009 UL http://www.ajnr.org/content/30/7/1277.abstract AB