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. 2015 Jun 19;10(6):e0130192. doi: 10.1371/journal.pone.0130192

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© 2015 Krieg et al

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

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Fig 3 — The Forest plot reflects the individual and pooled OR with CI for the relationship between expression of CXCR4 and (A) sex, (B) depth of invasion (T-stage), (C) lymph node metastasis (N-status), (D) UICC tumor stage or (E) grade of differentiation. Heterogeneity was verified by the Cochrane Q test (Chi-squared test; Chi²) and inconsistency (I²).