Overview of historical formaldehyde occupational exposure in China.

Ann Work Expo Health · 2025 · PMC12550362 · PMID 40660678

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a decreasing trendno p-value reported

Meanwhile, a decreasing trend in exposure levels was observed following the implementation of new occupational exposure limit (OEL) standards.

also in 47,180 other papers

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.