TY - JOUR T1 - Neuroimaging Clinics of North America: Multiple Sclerosis, Part I: Background and Conventional MRI, Vol. 18, No. 4 and Part II: Nonconventional MRI Techniques, Vol. 19, No. 1 JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - e92 LP - e93 DO - 10.3174/ajnr.A1596 VL - 30 IS - 6 A2 - , Y1 - 2009/06/01 UR - http://www.ajnr.org/content/30/6/e92.abstract N2 - ER -