[Case-control study on the prevalence of pleural thickening in three groups of different grades of asbestos exposure].
D000293:Adolescent; D000328:Adult; D001195:Asbestosis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010994:Pleura / Q000000981:diagnostic imaging* / Q000473:pathology; D011859:Radiography