@inbook{57850001, author={Kim E. Barrett}, title={Chapter 1. Functional Anatomy of the GI Tract and Organs Draining into It}, booktitle={Gastrointestinal Physiology, 2e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2014}, url={accessbiomedicalscience.mhmedical.com/content.aspx?aid=57850001} }