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Title
Comparison of two methods to detect publication bias in meta-analysis.
Authors
Peters, Jaime L; Sutton, Alex J; Jones, David R; Abrams, Keith R; Rushton, Lesley
Abstract
Egger's regression test is often used to help detect publication bias in meta-analyses. However, the performance of this test and the usual funnel plot have been challenged particularly when the summary estimate is the natural log of the odds ratio (lnOR).