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. 2016 Jul 21;6(7):e010751. doi: 10.1136/bmjopen-2015-010751

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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/

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All available studies providing two-pollutant model estimates for meta-analysis for all-cause mortality, all ages, 24-hour NO₂. 1000×ln (RR) approximates to a percentage change per 10 µg/m³. *Single-pollutant model estimate for days with both NO₂ and visibility (coefficient of haze, COH) data in Burnett et al,¹⁸ [RMID 3000].

NO₂, single-pollutant NO₂ adjusted for PM.

Inline graphic — All available studies providing two-pollutant model estimates for meta-analysis for all-cause mortality, all ages, 24-hour NO₂. 1000×ln (RR) approximates to a percentage change per 10 µg/m³. *Single-pollutant model estimate for days with both NO₂ and visibility (coefficient of haze, COH) data in Burnett et al,¹⁸ [RMID 3000].

NO₂, single-pollutant NO₂ adjusted for PM.