Real-life walking speed: A new marker of progression in a primary progressive multiple sclerosis cohort study? Cotinat M, Heesen C, Boudiaf I, Lederer C, Daumer M, Maarouf A, Bensoussan L, Ranjeva J-P, Stellmann J-P Mult Scler. 2026 Aug 17:13524585261476543. PMID: 42608800. Abstract CommentRecommendBookmarkWatch