Structural and Metabolic Features of Two Different Variants of Multiple Sclerosis: A PET/MRI Study. Bolcaen J, Acou M, Mertens K, Hallaert G, Van den Broecke C, Achten E, Goethals I J Neuroimaging. 2012 Dec 28. PMID: 23279326. Abstract CommentRecommendBookmarkWatch