Calibrating self-reported measures of maternal smoking in pregnancy via bioassays using a Monte Carlo approach.

Int J Environ Res Public Health · 2009 · PMC2705215 · PMID 19578458

Europe PMC DOI

hedged sentence

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closest p

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The sentences

an increasing trendno p-value reported

[ 1 ] have also observed an increasing trend in the average magnitude of discrepancies over time.

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