@inbook{1145767579, author={James P. Rathmell and Howard L. Fields}, editor={Hauser, Stephen L. and Josephson, S. Andrew}, title={PAIN: PATHOPHYSIOLOGY AND MANAGEMENT}, 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=1145767579} }