@inbook{1197731292,
author={Joseph Loscalzo and Anthony Fauci and Dennis Kasper and Stephen Hauser and Dan Longo and J. Larry Jameson},
title={Alterations in Gastrointestinal Function},
booktitle={Harrison's Principles of Internal Medicine, 21e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2022},
url={accesspharmacy.mhmedical.com/content.aspx?aid=1197731292}
}