Changes in children's respiratory morbidity and residential exposure factors over 25 years in Chongqing, China.

J Thorac Dis · 2020 · PMC7656426 · PMID 33209474

Europe PMC DOI

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an overall trendno p-value reported

Therefore, the residential potential exposures included in this study showed an overall trend of improvement, which was likely to be beneficial to the respiratory health of children.

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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.