RT Journal Article SR Electronic T1 Perspectives on multiple sclerosis. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1251 OP 1265 VO 19 IS 7 A1 Grossman, R I A1 McGowan, J C YR 1998 UL http://www.ajnr.org/content/19/7/1251.abstract