title: Prevalence of radiographic abnormalities among Northern California shipyard workers.
mesh_terms: D000328:Adult; D000368:Aged; D001194:Asbestos / Q000009:adverse effects*; D001195:Asbestosis / Q000000981:diagnostic imaging* / Q000453:epidemiology; D002140:California; D004812:Epidemiologic Methods; D006801:Humans; D008297:Male; D008875:Middle Aged; D010995:Pleural Diseases / Q000000981:diagnostic imaging; D011859:Radiography; D012767:Ships
chemical_list: D001194:Asbestos