Spasticity improvement in patients with relapsing-remitting multiple sclerosis switching from interferon-β to glatiramer acetate: the Escala Study. Meca-Lallana JE, Balseiro JJ, Lacruz F, Guijarro C, Sanchez O, Cano A, Costa-Frossard L, Hernández-Clares R, Sanchez-De la Rosa R, Escala Study Group J Neurol Sci. 2012 Apr 15; 315(1-2):123-8. Epub 2011 Nov 30. PMID: 22133480. Abstract CommentRecommendBookmarkWatch