RT Journal Article SR Electronic T1 Brain Perfusion and Vasoreactivity in Multiple Sclerosis JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E27 OP E28 DO 10.3174/ajnr.A4249 VO 36 IS 4 A1 Koudriavtseva, T. A1 Sbardella, E. A1 Mainero, C. YR 2015 UL http://www.ajnr.org/content/36/4/E27.abstract AB