Dust exposure and mortality in chrysotile mining, 1910-75

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      <subfield code="a">Dust exposure and mortality in chrysotile mining, 1910-75</subfield>
      <subfield code="c">J.C. McDonald... [et al.]</subfield>
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      <subfield code="a">The authors report a further follow-up of a birth cohort of 11379 workers exposed to chrysotile. The cohort consisted of all 10939 men and 440 women, born 1891-1920, who had worked for at least a month in the mines and mills of Asbestos and Thetford Mines in Quebec. For all subjects, length of service and estimates of accumulated dust exposure were obtained, with a smoking history for the vast majority. Three methods of analysis, two based on the "man-years" method, the other a "case-and-multiple-controls" approach, gave results consistent with one another and with previous analyses</subfield>
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      <subfield code="a">British journal of industrial medicine</subfield>
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      <subfield code="t">British journal of industrial medicine</subfield>
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      <subfield code="g">nº 12, December 1993 ; p. 11-24</subfield>
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