Prevalence of asbestos bodies in basal lung smears.
D000397:Air Pollution; D001195:Asbestosis / Q000473:pathology*; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D007585:Jews; D008168:Lung / Q000473:pathology*; D008297:Male; D008654:Mesothelioma / Q000209:etiology