title: Uncertainty in heterogeneity estimates in meta-analyses.
authors.affiliation: Clinical Trials and Evidence-Based Medicine Unit, Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina 45110, Greece. jioannid@cc.uoi.gr
authors.forename: John P A
authors.initials: JP
authors.lastname: Ioannidis
authors.forename: Nikolaos A
authors.initials: NA
authors.lastname: Patsopoulos
authors.forename: Evangelos
authors.initials: E
authors.lastname: Evangelou
mesh_terms: D003627:Data Interpretation, Statistical; D015201:Meta-Analysis as Topic; D035501:Uncertainty