@inbook{55956153, author={Koenraad J. Mortele, MD}, editor={Greenberger, Norton J. and Blumberg, Richard S. and Burakoff, Robert}, title={Chapter 9. State-of-the-Art Imaging of the Gastrointestinal System}, booktitle={CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 2e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2012}, url={accessmedicine.mhmedical.com/content.aspx?aid=55956153} }