The effect of oral and intravenous methylprednisolone treatment on subsequent relapse rate in multiple sclerosis. by Sharrack, B, Hughes, R, Morris, R, Soudain, S, Wade-Jones, O, Barnes, D, Brown, P, Britton, T, Francis, D, Perkin, G, Rudge, P, Swash, M, Katifi, H, Farmer, S, Frankel, J