@inbook{6495158, author={David A. Holdford}, editor={Warholak, Terri L. and Nau, David P.}, title={Chapter 6. Recognizing and Defining Quality Problems}, booktitle={Quality and Safety in Pharmacy Practice}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2010}, url={accesspharmacy.mhmedical.com/content.aspx?aid=6495158} }