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. 2016 Feb 22;6(2):e009493. doi: 10.1136/bmjopen-2015-009493

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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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RR (95% CI) of death per 10 ppb increase in long-term ‘warm-season’ ozone exposure. ACS CPS II, American Cancer Society Cancer Prevention Study II; IHD, ischaemic heart disease; RR, relative risk; WU-EPRI, Washington University - Electric Power Research Institute Veterans Cohort.