PT - JOURNAL ARTICLE ED - American Society of Neuroradiology TI - Neurodegeneration in Multiple Sclerosis AID - 10.3174/ajnr.A1025 DP - 2008 Feb 29 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2008/02/29/ajnr.A1025.short 4100 - http://www.ajnr.org/content/early/2008/02/29/ajnr.A1025.full