Abstract:Limited data exist concerning the ultrastructural assessment of the particulate content of sputum from occupationally exposed individuals. These assessments along with cytopathological screening provide valuable information about the current lung clearance patterns of these individuals.Sputum samples were collected from nine former asbestos workers who were selected because their cytopathological history included the presence of ferruginous bodies. A portion of each sample not needed for cytopathologic screeni… Show more
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