Pain Medication Use and Perceived Effectiveness in People With Multiple Sclerosis: A Mixed-Methods Study. Obsa M S, Saul A, Lefever K, Julie Campbell A, Laura Laslett L, Dagnew B, Bruce Taylor V, van der Mei I Pain Res Manag. 2026; 2026(1):e9981770. PMID: 42525595. Abstract CommentRecommendBookmarkWatch