R. Roxburgh

Multiple Sclerosis Severity Score: Using disability and disease duration to rate disease severity

G. Salemi, M. Trojano, G. Edan, 2005, Neurology.

Crohn’s associated NOD2 gene variants are not involved in determining susceptibility to multiple sclerosis

S. Sawcer, A. Compston, M. Maranian, 2003, Journal of neurology, neurosurgery, and psychiatry.