Blood antioxidant enzymes as markers of exposure or effect in coal miners

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      <subfield code="a">The objective of this study is to investigate if blood Cu++/Zn++ superoxide dismutase, glutathione peroxidase, catalase, and total plasma antioxidant activities could be markers of biological activity resulting from exposure to respirable coal mine dust in active miners, and of pneumoconiosis in retired miners</subfield>
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      <subfield code="g">Vol. 53, nº 1, January 1996 ; p. 41-45</subfield>
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