title: Validity of indirect comparisons in meta-analysis.
authors.forename: Andrea
authors.initials: A
authors.lastname: Cipriani
authors.forename: Toshiaki A
authors.initials: TA
authors.lastname: Furukawa
authors.forename: Rachel
authors.initials: R
authors.lastname: Churchill
authors.forename: Corrado
authors.initials: C
authors.lastname: Barbui
mesh_terms: D001499:Bayes Theorem; D002986:Clinical Trials as Topic / Q000379:methods*; D006801:Humans; D015201:Meta-Analysis as Topic; D015203:Reproducibility of Results