@inbook{1120698360, author={David A. Smith, MD}, editor={Stone, C. Keith and Humphries, Roger L.}, title={Urgencias pulmonares}, booktitle={Diagnóstico y tratamiento en medicina de urgencias, 7e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessmedicina.mhmedical.com/content.aspx?aid=1120698360} }