Trends in respiratory symptoms of firefighters exposed to the world trade center disaster: 2001-2005.

Environ Health Perspect · 2009 · PMC2702416 · PMID 19590693

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

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highly significantno p-value reported

In the cohort we found that each month worked at the site conferred a substantial and highly significant increase in the odds of symptoms at follow-up.

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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.