The association between prenatal exposure to mixed air pollutants and birth defects risk: a population-based study in Tangshan, China.

Front Public Health · 2026 · PMC13111202 · PMID 42051992

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hedged sentence

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closest p

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boldest claim

The sentences

an increasing trendno p-value reported

When all pollutants reached or exceeded P 55 , the risk showed an increasing trend that was statistically significant ( Figure 3A ).

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