@inbook{8141197, author={William E. Prentice and William S. Quillen and Frank Underwood}, title={Master Competency Checklist}, booktitle={Therapeutic Modalities in Rehabilitation, 4e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2011}, url={accessphysiotherapy.mhmedical.com/content.aspx?aid=8141197} }