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. 2013 Sep 24;179(1):48–56. doi: 10.1093/aje/kwt208

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© The Author 2013. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Mean annual change in forced expiratory volume in 1 second (FEV₁) by change in C-reactive protein (CRP) level over 13 years among all participants (A) and never smokers (B) in the European Prospective Investigation into Cancer in Norfolk cohort study, 1993–2011. No change in CRP is defined was a difference of less than 1 mg/L in CRP measured at baseline and the 13-year follow up.