Regional cortical thinning in multiple sclerosis and its relation with cognitive impairment: A multicenter study. Tillema J, Hulst HE, Rocca MA, Vrenken H, Steenwijk MD, Damjanovic D, Enzinger C, Ropele S, Tedeschi G, Gallo A, et al. Mult Scler. 2015 Oct 2. PMID: 26432859. Abstract CommentRecommendBookmarkWatch