title: [20th anniversary of the Cochrane Collaboration].
authors.forename: Uwe
authors.initials: U
authors.lastname: Glatz
mesh_terms: D018849:Controlled Clinical Trials as Topic / Q000639:trends; D016206:Databases, Bibliographic / Q000639:trends*; D019317:Evidence-Based Medicine / Q000639:trends; D005858:Germany; D006801:Humans; D007391:International Cooperation; D015201:Meta-Analysis as Topic; D012196:Review Literature as Topic