Worker-sponsored survey for asbestosis: detection of occupational lung disease without a control group.
D000328:Adult; D000704:Analysis of Variance; D001195:Asbestosis / Q000175:diagnosis* / Q000453:epidemiology; D004781:Environmental Exposure; D004787:Environmental Pollution; D006801:Humans; D008297:Male; D008400:Mass Chest X-Ray; D008404:Massachusetts; D008875:Middle Aged; D012044:Regression Analysis; D012129:Respiratory Function Tests; D012907:Smoking; D011795:Surveys and Questionnaires; D013997:Time Factors