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Frequent use of chemical household products is associated with persistent wheezing in pre-school age children
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    Household chemicals and persistent wheeze: Is there a link?

    Dear Editor,

    Sherriff and colleagues report an apparent association between mothers’ self-reported frequency of use of assorted household ‘chemicals’ during pregnancy and ‘persistent wheeze’ in their offspring. Since their paper suggests this may help explain recent rises in asthma, the robustness of the data and other explanations for the observed statistical association need careful consideration.


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    Conflict of Interest:
    None declared.