title: Bias in meta-analysis detected by a simple, graphical test. Increase in studies of publication bias coincided with increasing use of meta-analysis.
authors.forename: F
authors.initials: F
authors.lastname: Song
authors.forename: S
authors.initials: S
authors.lastname: Gilbody
mesh_terms: D015201:Meta-Analysis as Topic; D010506:Periodicals as Topic; D017594:Publication Bias; D013997:Time Factors