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. 2010 Mar 31;7(4):1486–1499. doi: 10.3390/ijerph7041486

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© 2010 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 1. — Odds ratios of myocardial infarction for an interquartile range increase in 2 h and 24 h moving averages of PM₁₀ in different subgroups (P-values for interaction). Number of observations for each subgroup with complete data on analyzed covariate and air pollution indicated by n.