Community chest x-rays for pneumoconiosis prevention.
D000328:Adult; D003032:Coal Mining; D004391:Dust; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000000981:diagnostic imaging / Q000209:etiology / Q000517:prevention & control*; D010414:Pennsylvania; D011009:Pneumoconiosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000517:prevention & control*; D011859:Radiography; D012907:Smoking
D004391:Dust