@inbook{1141968907, author={Gregory R. Wagner and Michael D. Attfield}, editor={Wallace, Robert B.}, title={Coal Workers' Lung Diseases}, booktitle={Maxcy-Rosenau-Last Public Health and Preventive Medicine, 15e}, publisher={McGraw-Hill Medical}, address={New York, NY}, year={2017}, url={accessbiomedicalscience.mhmedical.com/content.aspx?aid=1141968907} }