RT Journal Article SR Electronic T1 Results of a Randomized, Double-Blind, Parallel-Group Study Assessing Safety and Efficacy of 40 mg vs. 20 mg of Glatiramer Acetate on MRI-Measured Disease Activity in RRMS. JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 185 OP 185 DO 10.1212/01.wnl.0000234882.40628.7b VO 67 IS 1 A1 Cohen, J. A. A1 Rovaris, M. A1 Goodman, A. D. A1 Filippi, M. A1 , A1 , YR 2006 UL http://n.neurology.org/content/67/1/185.1.abstract AB