@inbook{1152353133,
author={Jacob A. David and John Paul Kelada},
editor={David, Jacob A.},
title={Gastroenterology},
booktitle={CURRENT Practice Guidelines in Inpatient Medicine 2018–2019},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2018},
url={accessmedicine.mhmedical.com/content.aspx?aid=1152353133}
}