@inbook{8400321, author={David C. Aron, MD, MS}, editor={Gardner, David G. and Shoback, Dolores}, title={Chapter 3. Evidence-Based Endocrinology and Clinical Epidemiology}, booktitle={Greenspan’s Basic & Clinical Endocrinology, 9e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2011}, url={accessbiomedicalscience.mhmedical.com/content.aspx?aid=8400321} }