@inbook{1145769814, author={Robert H. Brown, Jr.}, editor={Hauser, Stephen L. and Josephson, S. Andrew}, title={AMYOTROPHIC LATERAL SCLEROSIS AND OTHER MOTOR NEURON DISEASES}, booktitle={Harrison's Neurology in Clinical Medicine, 4e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2018}, url={neurology.mhmedical.com/content.aspx?aid=1145769814} }