title: Integration of evidence from multiple meta-analyses: a primer on umbrella reviews, treatment networks and multiple treatments meta-analyses.
authors: Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina 45110, Greece. jioannid@cc.uoi.gr
authors: John P A
authors: JP
authors: Ioannidis
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D019317:Evidence-Based Medicine; D006801:Humans; D017410:Practice Guidelines as Topic; D015201:Meta-Analysis as Topic