"Extent and distribution of respiratory effects."; "Morgan, William Keith C.", "Lainhart, W. S. (William S.)"; "Lungs--Dust diseases.", "Chest--Diseases.", "Chest radiography.", "Respiratory organs--Obstructions.", "Coal miners--Diseases--Appalachian Region.", "Coal mines and mining--Appalachian Region.", "Pneumoconiosis."; "Lainhart, W. S. (William S.)", "Morgan, William Keith C."; "1971"; "

Book chapter. \"Reprinted from: Pulmonary Reactions to Coal Dust: A Review of U.S. Experience, c1971, Academic Press, Inc., New York and London.\"

"; ""; "P13244"; "pec"; "Coal mines and mining--Appalachian Region.", "Chest radiography.", "Pneumoconiosis.", "Respiratory organs--Obstructions.", "Lungs--Dust diseases.", "Chest--Diseases.", "Coal miners--Diseases--Appalachian Region."; "14256"; .