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. 2015 Oct 16;15:713. doi: 10.1186/s12885-015-1701-3

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© Liu et al. 2015

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. 2 — PFS on cetuximab-based retreatments by response on prior anti-EGFR-based therapies. Median PFS on the anti-EGFR-based retreatments was 4.90 months (95 % CI: 3.59, 6.20) in prior responders compared to that of 2.5 months (95 % CI, 1.58, 3.42) in prior non-responders (p = 0.064)