Decrease in the chronic health effects from PM<sub>2.5</sub> during the 13<sup>th</sup> Five-Year Plan in China: Impacts of air pollution control policies.

J Clean Prod · 2021 · PMC8421321 · PMID 34511742

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extremely significantno p-value reported

11 shows that the reduction in key regions in February and March were extremely significant (30.2 μg/m 3 and 9.6 μg/m 3 respectively).

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a decreasing trendno p-value reported

We observed obvious spatial variations in the mortality rates among all cities and a decreasing trend nationally.

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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.