Phenotyping healthcare use before pediatric-onset multiple sclerosis, including by sex and age: A matched cohort study. Amini F, Everett K, Zhu F, Li P, McKay KA, Zhao Y, Maxwell CJ, Marrie R A, Tremlett H Mult Scler. 2026 May 22:13524585261445372. PMID: 42175615. Abstract CommentRecommendBookmarkWatch