@inbook{1182907377, author={Laura L. Stafman and Elizabeth A. Beierle}, editor={Kline, Mark W.}, title={Abdominal Masses}, booktitle={Rudolph's Pediatrics, 23e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2018}, url={accesspediatrics.mhmedical.com/content.aspx?aid=1182907377} }