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Persisting risk of nickel related lung cancer and nasal cancer among Clydach refiners
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  • Published on:
    Nickel related lung cancer: confounding a minor problem

    Dear Editor,

    I thank Andrews and Heller for showing an interest in nickel related lung cancer in their electronic letter of 7 July 2006.[1] A large body of evidence exists on the link between nickel exposure and lung cancer. Among the most informative occupational cohorts were the one from Clydach, South Wales (where the risk was first observed); several cohorts of Canadian nickel workers; and the refinery cohort...

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    Conflict of Interest:
    None declared.
  • Published on:
    Smoking and lung cancer risk in Clydach nickel refinery report

    Dear Editor,

    The authors conclude that 'there was evidence of a persisting risk among process workers first employed since 1953' in the Clydach, South Wales, refinery. Unfortunately, they were unable to incorporate the confounding influence of such well-known predictors of health as attained education, income level and smoking status. An analysis of their data, stratified finely by smoking status, would yield use...

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    Conflict of Interest:
    None declared.