@inbook{1102505486, author={Ellen Lancon Connor and Matthew Egberg}, editor={Kappy, Michael S. and Allen, David B. and Geffner, Mitchell E.}, title={Enteric Hormones}, booktitle={Pediatric Practice: Endocrinology, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2013}, url={accesspediatrics.mhmedical.com/content.aspx?aid=1102505486} }