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. 2013 Jul 16;12:34. doi: 10.1186/1476-072X-12-34

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Copyright © 2013 Richardson et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Regional population-weighted average concentrations of annual average PM₁₀(μg.m^-3) between 2004 and 2008. Data sources: NUTS2 and country boundary data: GISCO [42]; PM₁₀: derived from EEA AirBase data [26].

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