MRI activity and neutralising antibody as predictors of response to interferon β treatment in multiple sclerosis
L Durelli, P Barbero, M Bergui, E Versino, M A Bassano, E Verdun, C Rivoiro, C Ferrero, E Picco, P Ripellino, G Giuliani, E Montanari, M Clerico, and for the Italian Multiple Sclerosis Study Group