title: Abstract: Propensity Score Matching in a Meta-Analysis Comparing Randomized and Non-Randomized Studies.
authors.affiliation: a Texas A&M University.
authors.forename: Felix J
authors.initials: FJ
authors.lastname: Thoemmes
authors.affiliation: b Arizona State University.
authors.forename: Stephen G
authors.initials: SG
authors.lastname: West
authors.affiliation: b Arizona State University.
authors.forename: Eric
authors.initials: E
authors.lastname: Hill