Effects of Inhibitors of the Renin-Angiotensin System on the Efficacy of Interferon beta-1b: A post hoc Analysis of the BEYOND Study. Doerner M, Beckmann K, Knappertz V, Kappos L, Hartung HP, Filippi M, O'Connor PW, Arnason B, Cook S, Jeffery D, et al. Eur Neurol. 2014 Jan 21; 71(3-4):173-179. Epub 2014 Jan 21. PMID: 24457374. Abstract CommentRecommendBookmarkWatch