Investigating childhood leukemia in Churchill County, Nevada.

Environ Health Perspect · 2007 · PMC1797848 · PMID 17366836

Europe PMC DOI

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slightly significantno p-value reported

Tetrachloroethylene was the only VOC that showed a slightly significant protective OR (0.35; 95% CI, 0.14–0.86) between case and comparison families (including case and comparison children and their family members but excluding siblings).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.