http://pec.lib.wvu.edu/record/P132441971Extent and distribution of respiratory effects.<p> Book chapter. "Reprinted from: <em>Pulmonary Reactions to Coal Dust: A Review of U.S. Experience</em>, c1971, Academic Press, Inc., New York and London."</p>Morgan, William Keith C.Lainhart, W. S. (William S.)Chest radiography.Coal miners--Diseases--Appalachian Region.Coal mines and mining--Appalachian Region.Chest--Diseases.Pneumoconiosis.Respiratory organs--Obstructions.Lungs--Dust diseases.14256