Cross-sectional study of the association between serum perfluorinated alkyl acid concentrations and dental caries among US adolescents (NHANES 1999-2012).

BMJ Open · 2019 · PMC6377528 · PMID 30782897

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showed a trendno p-value reported

Although they did not reach significance, our sensitivity analyses also showed a trend towards an inverse association between serum PFNA concentrations and caries prevalence.

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