Screening for chronic pulmonary disease: survey of 10,000 industrial workers.
D000367:Age Factors; D002140:California; D002908:Chronic Disease; D003201:Computers; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis*; D008400:Mass Chest X-Ray; D008403:Mass Screening; D008954:Models, Biological; D009787:Occupational Medicine; D009790:Occupations; D012737:Sex Factors; D013147:Spirometry