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. 2018 May 10;25(10):1042–1052. doi: 10.1177/2047487318774847

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© The European Society of Cardiology 2018

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) 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 pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — The association between oral progestin-only contraceptive (POC) use and risk of stroke by route of administration. The summary estimates presented were calculated using random effects and fixed effects models. 95% confidence interval (CI) (bars). P comes from Q statistics.