@inbook{1185690880, author={Sandra L. Kaplan}, title={Answer Key to Exercises (Chapters 5, 6, and 7)}, booktitle={Outcome Measurement and Management: First Steps for the Practicing Clinician}, publisher={F. A. Davis Company}, address={New York, NY}, year={2007}, url={fadavisat.mhmedical.com/content.aspx?aid=1185690880} }