title: Improving meta-analysis for policy purposes.
authors.affiliation: University of Chicago, IL 60637, USA.
authors.forename: L V
authors.initials: LV
authors.lastname: Hedges
mesh_terms: D006291:Health Policy; D006302:Health Services Research / Q000379:methods; D006801:Humans; D015201:Meta-Analysis as Topic; D015233:Models, Statistical