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. 2017 Jul 10;8(37):62524–62536. doi: 10.18632/oncotarget.19122

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Copyright: © 2017 Xu et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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(A) A Forest plot assessing the effect of CTC presence on PFS in subgroups divided by sampling time. (B) A Forest plot assessing the effect of CTC presence on PFS in subgroups divided by detection method. (C) A Forest plot assessing the effect of CTC presence on PFS in subgroups divided by histological type.