@inbook{1120807489, author={Anne L. Fuhlbrigge and Augustine M. K. Choi}, editor={Kasper, Dennis and Fauci, Anthony and Hauser, Stephen and Longo, Dan and Jameson, J. Larry and Loscalzo, Joseph}, title={Diagnostic Procedures in Respiratory Disease}, booktitle={Harrison's Principles of Internal Medicine, 19e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2014}, url={accessmedicine.mhmedical.com/content.aspx?aid=1120807489} }