Estimated acute effects of ambient ozone and nitrogen dioxide on mortality in the Pearl River Delta of southern China.

Environ Health Perspect · 2012 · PMC3295344 · PMID 22157208

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only marginally significantno p-value reported

(2008) reported that effect estimates of O 3 were significant for total and cardiovascular mortality but only marginally significant for respiratory mortality in four Asian cities.

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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.