@inbook{1122356918, author={Michael A. Grippi and Robert M. Senior and Jeffrey P. Callen}, editor={Grippi, Michael A. and Elias, Jack A. and Fishman, Jay A. and Kotloff, Robert M. and Pack, Allan I. and Senior, Robert M. and Siegel, Mark D.}, title={Approach to the Patient with Respiratory Symptoms}, booktitle={Fishman's Pulmonary Diseases and Disorders, 5e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessmedicine.mhmedical.com/content.aspx?aid=1122356918} }