http://pec.lib.wvu.edu/record/P165561973Analysis of the rejection rate of chest radiographs obtained during the coal mine "black lung" program. Journal article reprint from: <em>Radiology</em>, v. 109:no.1 (1973:Oct.). Jacobson, George. Moore, Raymond T.Shoub, Earle P.Trout, Edrie Dale, 1901-Chest--Diseases--Diagnosis.Chest radiography.Coal miners--Diseases--Diagnosis.Pneumoconiosis.Lungs--Dust diseases--Diagnosis.14256