Jack H. Simon, L.D. Jacobs, M. Campion, K. Wende, N. Simonian, D.L. Cookfair, R.A. Rudick, R.M. Herndon, J.R. Richert, A.M. Salazar, J.J. Alam, J.S. Fischer, D.E. Goodkin, C.V. Granger, M. Lajaunie, A.L. Martens-Davidson, M.J. Meyer, J. Sheeder, K. Choi, A.L. Scherzinger, D.M. Bartoszak, D.N. Bourdette, J. Braiman, C.M. Brownscheidle, M.E. Coats, S.L. Cohan, D.S. Dougherty, R.P. Kinkel, M.K. Mass, F.E. Munschauer, R.L. Priore, P.M. Pullicino, B.J. Scherokman, B. Weinstock-Guttman, R.H. Whitham, and The Multiple Sclerosis Collaborative Research Group (MSCRG). Magnetic Resonance Studies of Intramuscular r-Interferon Beta-1a for Relapsing Magnetic Resonance Studies of Intramuscular r-Interferon Beta-1a for Relapsing Multiple Sclerosis. Annals of Neurology, 43:79-87, 1998. (bibtex: Simon-1998-MRS).