Adenosine A2A receptors in secondary progressive multiple sclerosis: a [(11)C]TMSX brain PET study. Rissanen E, Virta JR, Paavilainen T, Tuisku J, Helin S, Luoto P, Parkkola R, Rinne JO, Airas L J Cereb Blood Flow Metab. 2013 May 22. Epub 2013 May 22. PMID: 23695433. Abstract CommentRecommendBookmarkWatch