A Three Year Study Monitoring of Cerebral Atrophy, Lesion Load and Contrast Enhancing Lesions in 30 Relapsing Remitting Multiple Sclerosis Patients Treated with Interferon b 1b
J.A. Frank, N.D. Richert, C. Bash, T. Leist, I. Gobbini, B.K. Lewis, R. Stone, T.R. Howard and H. McFarland, National Institutes of Health, Bethesda, MD, 20892.