http://pec.lib.wvu.edu/record/P165571973Observations on the results of multiple readings of chest films in coal miners' pneumoconiosis. Journal article reprint from: <em>Radiology</em>, v.109:no.1 (1973:Oct.). Linton, Otha W.Dessen, Edgar L.Felson, Benjamin, 1913-Reger, Robert B.Morgan, William Keith C.Bristol, Leonard J.Pendergrass, Eugene Percival, 1895-Chest--Diseases--Diagnosis.Chest radiography.Coal miners--Diseases--Diagnosis.Pneumoconiosis.Lungs--Dust diseases--Diagnosis.14256