@inbook{1142617187,
author={Kim E. Barrett and Susan M. Barman and Scott Boitano and Jane F. Reckelhoff},
title={Overview of Gastrointestinal Function & Regulation},
booktitle={Ganong's Medical Physiology Examination & Board Review},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2017},
url={accessmedicine.mhmedical.com/content.aspx?aid=1142617187}
}