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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Clin Lung Cancer. 2011 Jul 1;12(6):393–401. doi: 10.1016/j.cllc.2011.04.005

Figure 6. Publication Bias Funnel Plot for ERCC1 Expression and Response Rate Random Effects Pooled Analysis.

Figure 6

This figure demonstrates little evidence of publication bias based on its symmetrical distribution of study results around the pooled effect estimate.