Management of relapsing-remitting multiple sclerosis: diagnosis and treatment guidelines (vol 6, pg S1, 1999) by Paty, D, Hartung, H, Ebers, G, SoelbergSorensen, P, Abramsky, O, Kesselring, J, Delwel, G, Miller, A, Korczyn, A, Flechter, S, Milo, R, Levic, Z, Pantovic, M, Guseo, A, Csiba, L, Komoly, S, Havrdova, E, Urbanek, K, Traubner, P, Selmaj, K, Czlonkowska, A, Milonas, I, Karageorgiou, K, Sfaggos, G, Siva, A