Estimating Brain Lesion Volume Change in Multiple Sclerosis by Subtraction of Magnetic Resonance Images. Horsfield MA, Rocca MA, Pagani E, Storelli L, Preziosa P, Messina R, Camesasca F, Copetti M, Filippi M J Neuroimaging. 2016 Mar 28. PMID: 27019077. Abstract CommentRecommendBookmarkWatch