@inbook{1120131628,
author={Mary M. Mayo and Andrew J. Lechner},
editor={Lechner, Andrew J. and Matuschak, George M. and Brink, David S.},
title={Evaluating Sputum and Pleural Effusions},
booktitle={Respiratory: An Integrated Approach to Disease},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2012},
url={accessmedicine.mhmedical.com/content.aspx?aid=1120131628}
}