Crowther, Michael J.; Langan, Dean; Sutton, Alex J. - In: Stata Journal 12 (2012) 4, pp. 605-622
Funnel plots are currently advocated to investigate the presence of publication bias (and other possible sources of bias) in meta-analysis. A previously described augmentation to the funnel plot—to aid its interpretation in assessing publication biases—is the addition of statistical contours...