title: The Cochrane Collaboration turns 20: assessing the evidence to inform clinical care.
authors: M J
authors: MJ
authors: Friedrich
mesh_terms: D022126:Access to Information; D000846:Anniversaries and Special Events; D035843:Biomedical Research / Q000639:trends*; D003256:Community Participation; D004059:Diffusion of Innovation; D019317:Evidence-Based Medicine / Q000639:trends*; D006801:Humans; D011643:Publishing / Q000639:trends; D011786:Quality Control; D016032:Randomized Controlled Trials as Topic; D012196:Review Literature as Topic