7Chaudhuri KR,Crump S,Alsarraj S,et al.The validation of EL Escorial criteria for the diagnosis of amyotrophic lateral sclerosis:a clinicopathological study[J].J Neurol Sci,1995,129(suppl):11-12.
8Brook BR.EL Escorial World Federation of neurology criteria for the diagnosis of amyotrophic lateral sclerosis[J].J Neurol Sci,1994,124(suppl):96-107.