@inbook{1160010690, author={Michael Camilleri and Joseph A. Murray}, editor={Jameson, J. Larry and Fauci, Anthony S. and Kasper, Dennis L. and Hauser, Stephen L. and Longo, Dan L. and Loscalzo, Joseph}, title={Diarrhea and Constipation}, booktitle={Harrison's Principles of Internal Medicine, 20e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2018}, url={accessmedicine.mhmedical.com/content.aspx?aid=1160010690} }