Recent exposure to ultrafine particles in school children alters miR-222 expression in the extracellular fraction of saliva.

Environ Health · 2016 · PMC4962430 · PMID 27460212

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showed a trendno p-value reported

However, using daily average PM 2.5 exposure at the residence based on a land-use dispersion model showed a trend similar to the recent exposure to UFP analyses.

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