@inbook{1187151502, author={Leslie G. Portney}, title={Critical Appraisal: Evaluating Research Reports}, booktitle={Foundations of Clinical Research: Applications to Evidence-Based Practice, 4e}, publisher={F. A. Davis Company}, address={New York, NY}, year={2020}, url={fadavispt.mhmedical.com/content.aspx?aid=1187151502} }