@inbook{1119985174, author={Jonathan S. Levine and Robert Burakoff}, editor={Greenberger, Norton J. and Blumberg, Richard S. and Burakoff, Robert}, title={Inflammatory Bowel Disease: Medical Considerations}, booktitle={CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 3e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2016}, url={accessmedicine.mhmedical.com/content.aspx?aid=1119985174} }