@inbook{1164203864, author={Andrew J. Lechner and George M. Matuschak}, editor={Lechner, Andrew J. and Matuschak, George M. and Brink, David S.}, title={Airway and Parenchymal Defense Mechanisms}, booktitle={Respiratory: An Integrated Approach to Disease}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={accessmedicine.mhmedical.com/content.aspx?aid=1164203864} }