@inbook{1146122741,
author={Julie Story Byerley},
editor={Zaoutis, Lisa B. and Chiang, Vincent W.},
title={Gastrointestinal Obstruction: Pyloric Stenosis, Malrotation and Volvulus, and Intussusception},
booktitle={Comprehensive Pediatric Hospital Medicine, 2e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2017},
url={accesspediatrics.mhmedical.com/content.aspx?aid=1146122741}
}