1. Allen, I. in McAlpine's Multiple Sclerosis (eds Matthews, W. B., Compston, A. & Allen I. V.) (Churchill Livingstone, Edinburgh, 1991).
2. Poser, C. M. J. neurol. Sci. 107, 127–140 (1992).
3. Alvord, E. C. J. Experimental Allergic Encephalomyelitis: A Useful Model for Multiple Sclerosis (ed. Alvord, E. C. J.) (Liss. New York, 1984).
4. Oksenberg, J. et al. Nature 362, 68–70 (1993).
5. Zamvil, S. S. & Steinman, L. A. Rev. Immun. 8, 579–621 (1990).