@inbook{1102499373,
author={Michael S. Kappy and David B. Allen and Mitchell E. Geffner},
title={Preface},
booktitle={Pediatric Practice: Endocrinology, 2e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2013},
url={accesspediatrics.mhmedical.com/content.aspx?aid=1102499373}
}