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. 2011 Jan 26;119(7):1017–1022. doi: 10.1289/ehp.1002913

Figure 3.

Figure 3

Shape of the association between exposure to PM10 and risk of mortality in late neonates, expressed as estimated OR with 95% CI (blue area), using fractional polynomials and 10 μg/m3 as reference; 77 μg/m3 is the 99th percentile of exposures during the study period.