@inbook{1146113601, author={April Buchanan}, editor={Zaoutis, Lisa B. and Chiang, Vincent W.}, title={Gastrointestinal Bleeding}, booktitle={Comprehensive Pediatric Hospital Medicine, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accesspediatrics.mhmedical.com/content.aspx?aid=1146113601} }