title: Bias in meta-analysis detected by a simple, graphical test. Prospectively identified trials could be used for comparison with meta-analyses.
authors.forename: P
authors.initials: P
authors.lastname: Langhorne
mesh_terms: D015201:Meta-Analysis as Topic; D011446:Prospective Studies; D017594:Publication Bias; D016032:Randomized Controlled Trials as Topic