%0 Journal Article %T PET is necessary to make the next step forward in understanding MS pathophysiology ¨C No %A Maria A Rocca %A Massimo Filippi %A Paolo Preziosa %J Multiple Sclerosis Journal %@ 1477-0970 %D 2019 %R 10.1177/1352458518820238 %U https://journals.sagepub.com/doi/full/10.1177/1352458518820238