2H. J. Bauer,V. Meulen,H. Koprowski,A. Argyrakis,H. Orthner. Early sterile autopsy in etiological studies on multiple sclerosis[J] 1975,Journal of Neurology(3):159～174
2McDonald WI,Compston A,Edan G,et al. Reoommended diagnostic Criteria tot multiple Sclersis: guidelines from the Internaltional Penel no the diagnosis of multiple Sclerosis J. Ann Neurol, 2001,50( 1 ) : 121-127.
3John FK,Rating neurologic impairment in multiple sclerosis: an expanded disnbility status scale (EDSS) J, Neurology, 1983,33 ( 11 ) : 1444-1452.
