Sterne, Jonathan A.C.; Harbord, Roger M. - In: Stata Journal 4 (2004) 2, pp. 127-141
Funnel plots are a visual tool for investigating publication and other bias in meta-analysis. They are simple … publication probability with the statistical significance of study results) may lead to asymmetrical funnel plots. It is, however …, important to realize that publication bias is only one of a number of possible causes of funnel-plot asymmetry-funnel plots …