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. 2019 Apr 3;17(6):4877–4890. doi: 10.3892/ol.2019.10211

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Copyright: © Liu et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 6. — Funnel plots based on univariate and multivariate survival analysis in patients with LUAD and LUSC. Publication bias tests based on (A) univariate and (B) multivariate survival analysis in patients with LUAD. Publication bias tests based on (C) univariate and (D) multivariate survival analysis in patients with LUSC. LUAD, lung adenocarcinoma; LUSC, lung squamous cell carcinoma; hr, hazard ratio; s.e., standard error.