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. 2015 Mar 30;15:202. doi: 10.1186/s12885-015-1218-9

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© Huang et al.; licensee BioMed Central. 2015

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Risk ratios summary for the correlation of tumor response and CTCs. A: The estimated risk ratio (RR) was summarized for the correlation of tumor response with CTCs detected at baseline time. B: The estimated RR was summarized for the correlation of tumor response with CTCs detected at during-treatment time.