@inbook{2695269, author={Leonard G. Gomella and Steven A. Haist}, title={Chapter 18. Respiratory Care}, booktitle={Clinician's Pocket Reference: The Scut Monkey, 11e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2007}, url={accessmedicine.mhmedical.com/content.aspx?aid=2695269} }