Radiological changes in asbestos cement workers

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      <subfield code="a">The authors explore associations between exposure to asbestos cement dust and radiographic findings in lung parenchyma and pleura. In these workers, exposed mainly to chrysotile but also to small amounts of amphibole, the risk of radiographically visible parenchymal abnormality was substantially increased and strongly dependent on time related exposure variables. Progression was found long after the end of exposure. The findings on costophrenic angle obliterations, supposed to be sequelae of benign pleural effusions, were consistent with and immediate reaction triggered by intense asbestos exposure</subfield>
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      <subfield code="t">Occupational and environmental medicine</subfield>
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      <subfield code="g">Vol. 52, nº 1, January 1995 ; p. 20-27</subfield>
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