@inbook{1197682658, author={Danny O. Jacobs}, editor={Loscalzo, Joseph and Fauci, Anthony and Kasper, Dennis and Hauser, Stephen and Longo, Dan and Jameson, J. Larry}, title={Abdominal Pain}, booktitle={Harrison's Principles of Internal Medicine, 21e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2022}, url={accessmedicine.mhmedical.com/content.aspx?aid=1197682658} }