PT - JOURNAL ARTICLE AU - M.A. Rocca AU - G. Riccitelli AU - M. Rodegher AU - A. Ceccarelli AU - A. Falini AU - M. Falautano AU - A. Meani AU - G. Comi AU - M. Filippi TI - Functional MR Imaging Correlates of Neuropsychological Impairment in Primary-Progressive Multiple Sclerosis AID - 10.3174/ajnr.A2071 DP - 2010 Mar 18 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2010/03/18/ajnr.A2071.short 4100 - http://www.ajnr.org/content/early/2010/03/18/ajnr.A2071.full