Repeated measurements of tibia lead concentrations by in vivo x ray fluorescence in occupational exposure

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      <subfield code="a">Repeated measurements of tibia lead concentrations by in vivo x ray fluorescence in occupational exposure</subfield>
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      <subfield code="a">A group of workers occupationally exposed to lead have had measurements of their tibia lead concentrations made on two occasions separated by five years; on the second occasion calcaneus lead concentrations were also measured. It is concluded that this tecnique of measuring bone lead concentrations non-invasively is likely to be used increasingly as a biological monitor of cumulative exposure to lead</subfield>
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      <subfield code="t">British journal of industrial medicine</subfield>
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      <subfield code="g">nº 1, January 1992 ; p. 14-16</subfield>
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