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Editorial

First published online May, 2008

Erratum to ‘Reduced effectiveness of long-term interferon-β treatment on relapses in neutralizing antibody-positive multiple sclerosis patients: a Canadian multiple sclerosis clinic-based study’ by C Boz,J Oger,E Gibbs,SE Grossberg and the Neurologists of the UBC MS Clinic. Multiple Sclerosis 2007;13: 1127–1137