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. 2016 Nov 3;16:339. doi: 10.1186/s12884-016-1132-4

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© The Author(s). 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — ROC curves. ROC curves showing the sensitivity and specificity of using serum CYFRA 21–1 concentration measured in gestational week 23–27 (a), 28–32 (b), or 33–36 (c) to preeclampsia