title: Heterogeneity in meta-analysis of data from epidemiologic studies: a commentary.
authors.affiliation: Department of Health Policy and Management, Harvard University School of Public Health, Boston, MA 02115, USA.
authors.forename: G A
authors.initials: GA
authors.lastname: Colditz
authors.forename: E
authors.initials: E
authors.lastname: Burdick
authors.forename: F
authors.initials: F
authors.lastname: Mosteller
mesh_terms: D004812:Epidemiologic Methods; D015201:Meta-Analysis as Topic; D008962:Models, Theoretical