@inbook{1162593301, author={Allan H. Ropper and Martin A. Samuels and Joshua P. Klein and Sashank Prasad}, title={Disorders of the Autonomic Nervous System, Respiration, and Swallowing}, booktitle={Adams and Victor's Principles of Neurology, 11e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={neurology.mhmedical.com/content.aspx?aid=1162593301} }