title: Drawing generalized causal inferences based on meta-analysis.
authors.affiliation: Department of Psychology San Diego State University, CA 92182-4611, USA.
authors.forename: G E
authors.initials: GE
authors.lastname: Matt
mesh_terms: D015982:Bias; D006801:Humans; D015201:Meta-Analysis as Topic; D017063:Outcome Assessment, Health Care; D018579:Patient Selection; D011897:Random Allocation; D015203:Reproducibility of Results; D013223:Statistics as Topic; D019966:Substance-Related Disorders / Q000517:prevention & control*