@inbook{57221431,
author={David J. McCaffrey III},
editor={Yang, Yi and West-Strum, Donna},
title={Chapter 8. Medication Utilization Patterns},
booktitle={Understanding Pharmacoepidemiology},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2011},
url={accessbiomedicalscience.mhmedical.com/content.aspx?aid=57221431}
}