title: Editorial. Systematic review--what is it and how should it be used?
authors.forename: A
authors.initials: A
authors.lastname: Gross
mesh_terms: D019317:Evidence-Based Medicine / Q000592:standards*; D006801:Humans; D018156:Journalism, Medical / Q000592:standards*; D015201:Meta-Analysis as Topic; D017712:Peer Review, Research; D016032:Randomized Controlled Trials as Topic / Q000592:standards; D012196:Review Literature as Topic