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. 2017 Jan 31;17:47. doi: 10.1186/s12884-017-1231-x

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© The Author(s). 2017

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 — Pain intensity within first 24 h after metal versus plastic ventouse delivery, measured by the area under the curve (AUC) of the EDIN score according to suppository. The boxes show the interquartile range with the median represented by a horizontal line. Whiskers correspond to 1.5 interquartile ranges