title: Unit of analysis errors should be clarified in meta-analyses.
authors.forename: Ruth E
authors.initials: RE
authors.lastname: Thomas
authors.forename: Craig R
authors.initials: CR
authors.lastname: Ramsay
authors.forename: Laura
authors.initials: L
authors.lastname: McAuley
authors.forename: Jeremy M
authors.initials: JM
authors.lastname: Grimshaw
mesh_terms: D003627:Data Interpretation, Statistical; D015201:Meta-Analysis as Topic; D017410:Practice Guidelines as Topic; D016032:Randomized Controlled Trials as Topic / Q000592:standards*