@inbook{1106024423, author={Pamela J. Okada and Robert K. Minkes}, editor={Stone, C. Keith and Humphries, Roger L. and Drigalla, Dorian and Stephan, Maria}, title={Gastrointestinal Emergencies}, booktitle={CURRENT Diagnosis & Treatment: Pediatric Emergency Medicine}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2014}, url={accesspediatrics.mhmedical.com/content.aspx?aid=1106024423} }