Disease-specific patterns of neuronal loss in the spinal ventral horn in amyotrophic lateral sclerosis, multiple system atrophy and X-linked recessive bulbospinal neuronopathy, with special reference to the loss of small neurons in the intermediate zone - Terao,S.; Sobue,G.; Hashizume,Y.; Mitsuma,T.; Takahashi,A. (J Neurol, 1994)