Risk of early relapse following switch to oral agents for multiple sclerosis

T Spelman, L Mekhael, T Burke, H Butzkueven, S Hodgkinson, E Havrdova, D Horakova, P Duquette, G Izquierdo, F Grand'Maison, P Grammond, M Barnett, J Lechner-Scott, R Alroughani, M Trojano, A Lugaresi, F Granella, E Pucci, S Vucic