Cite
MLA Citation
C Hirst et al.. “Change in disability in patients with multiple sclerosis: a 20-year prospective population-based analysis.” Journal of neurology, neurosurgery and psychiatry, vol. 79, no. 10, 2008, pp. 1137–1143. http://access.bl.uk/ark:/81055/vdc_100135163486.0x00002e