Title | Beta-interferon exposure and onset of secondary progressive multiple sclerosis |
Publication Type | Journal Article |
Authors | Zhang, T, Shirani, A, Zhao, Y, Karim, ME, Gustafson, P, Petkau, J, Evans, C, Kingwell, E, van der Kop, M, Zhu, F, Oger, J, Tremlett, H, Neurologists, BCMSClinic |