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. 2017 May 19;21:7. doi: 10.1186/s40824-017-0093-7

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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. 7 — (a) Compressive strength and (b) Compressive modulus of PEEK/CS specimens after heat treatment and during ageing. Bar colouration is representative of ageing time as indicated by the legend. Error bars represent standard deviation (n = 10) and lines above data columns represent significant differences between groups based on PEEK wt% loading as found by post-hoc Turkey HSD tests following two-way ANOVA analysis