Testing the construct validity of real-world digital mobility outcomes in multiple sclerosis. Brittain G, Long M, Buckley E, Becker C, Buekers J, de Las Heras M, Armengol C, Koch S, Braun J, Caufield B, et al. Mult Scler. 2026 Aug 02:13524585261464537. PMID: 42544006. Abstract CommentRecommendBookmarkWatch