INTERFERON BETA-1B IN THE TREATMENT OF MULTIPLE-SCLEROSIS - FINAL OUTCOME OF THE RANDOMIZED CONTROLLED TRIAL by Duquette, P, Despault, L, Knobler, R, Lublin, F, Kelley, L, Francis, G, Freedman, M, Lapierre, Y, Greenstein, J, Mishra, B, Delillio, N, Whitaker, J, Layton, B, Sibley, W, Laguna, J, Krikawa, J, Paty, D, Oger, J, Kastrukoff, L, Morrison, W, Nelson, J, Goodin, D, Massa, S, Gutteridge, E, Arnason, B