First year changes in blood lead and zinc protoporphyrin levels within two groups of occupational lead workers

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      <subfield code="a">First year changes in blood lead and zinc protoporphyrin levels within two groups of occupational lead workers</subfield>
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      <subfield code="a">In this paper, quarterly changes in PbB and ZPP levels are described for two groups of male workers during their initial year of lead-related employment. In addition, the incidence of elevated ZPP levels as a function of PbB concentration is analyzed for both groups of workers in order to estimate the proportions of similarly exposed populations that might experience potentially harmful effects within their initial 12 months of occupational exposure</subfield>
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      <subfield code="a">American Industrial Hygiene Association journal</subfield>
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      <subfield code="t">American Industrial Hygiene Association journal</subfield>
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      <subfield code="g">Vol. 52, nº 4, April 1991 ; p. 177-182</subfield>
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