Randomized study of once weekly intereron beta-1a therapy in relapsing multiple sclerosis: three year data from the OWIMS Study

Freedman, Ms; Francis, Gs; Sanders, Eacm; Rice, Gpa; O'Connor, P; Comi, Giancarlo; Duquette, P; Metz, L; Murray, Tj; Bouchard, J. P.; Abramsky, O; Pelletier, J; O'Brien, F; OWIS STUDY, Group; THE UNIVERSITY OF BRITISH COLUMBIA MSMRI RESEARCH, Group