@inbook{57053788, author={Walter L. Kemp and Dennis K. Burns and Travis G. Brown}, title={Chapter 14. Gastrointestinal Pathology}, booktitle={Pathology: The Big Picture}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2008}, url={accessphysiotherapy.mhmedical.com/content.aspx?aid=57053788} }