Prescription drug dispensations 15 years before multiple sclerosis onset: A matched cohort study, British Columbia, Canada. Ruiz-Algueró M, Ahmed S M, Zhu F, Zhao Y, Marrie R A, Tremlett H Mult Scler. 2026 May 27:13524585261450813. PMID: 42199051. Abstract CommentRecommendBookmarkWatch