@inbook{3491709,
author={David L. Simel and Drummond Rennie},
title={Appendicitis, Child},
booktitle={The Rational Clinical Examination: Evidence-Based Clinical Diagnosis},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2016},
url={jamaevidence.mhmedical.com/content.aspx?aid=3491709}
}