作者: Jeffrey R. Brook , Sabit Cakmak , Richard T. Burnett
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摘要: The authors investigate "the risk of premature mortality due to the urban ambient air pollution mix in Canada.... Nitrogen dioxide had largest effect on with a 4.1% increased (p<0.01) followed by ozone at 1.8% sulphur 1.4% and carbon monoxide 0.9% (p=0.04) multiple pollutant regression models. A 0.4% reduction was attributed achieving content gasoline 30 ppm five Canadian cities 12 times greater than previously reported." (EXCERPT) (SUMMARY IN FRE)