The comparability of chest x-ray interpretations and pulmonary function test results by different observers.
D003032:Coal Mining; D004185:Disability Evaluation; D006801:Humans; D010414:Pennsylvania; D011009:Pneumoconiosis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D013902:Radiography, Thoracic; D012129:Respiratory Function Tests; D014903:West Virginia