Separation of motor neuron diseases from pure motor neuropathies: pathology.

@article{Hays1991SeparationOM,
  title={Separation of motor neuron diseases from pure motor neuropathies: pathology.},
  author={Arthur P. Hays},
  journal={Advances in neurology},
  year={1991},
  volume={56},
  pages={385-98}
}