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. 2016 Jan 5;44(1):3–14. doi: 10.1177/0300060515611539

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© The Author(s) 2016

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 3.0 License (http://www.creativecommons.org/licenses/by-nc/3.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page(https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Forest plot of a meta-analysis of the association between obstructive sleep apnoea (OSA) risk and the apolipoprotein gene (APOE) ɛ4 allele.^10–23 The colour version of this figure is available at: http://imr.sagepub.com.