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Effect of siponimod on magnetic resonance imaging measures of neurodegeneration and myelination in secondary progressive multiple sclerosis: Gray matter atrophy and magnetization transfer ratio analyses from the EXPAND phase 3 trial.
Arnold DL, Piani-Meier D, Bar-Or A, Benedict RH, Cree BA, Giovannoni G, Gold R, Vermersch P, Arnould S, Dahlke F, Hach T, Ritter S, Karlsson G, Kappos L, Fox RJ; EXPAND Clinical Investigators. Arnold DL, et al. Mult Scler. 2022 Sep;28(10):1526-1540. doi: 10.1177/13524585221076717. Epub 2022 Mar 9. Mult Scler. 2022. PMID: 35261318 Free PMC article. Clinical Trial.