title: [Evidence-based medicine: systematic reviews. The Cochrane Collaboration].
authors.affiliation: Servicio de Geriatría, Hospital de Cantobianco, Madrid.
authors.forename: J M
authors.initials: JM
authors.lastname: López Arrieta
authors.forename: N
authors.initials: N
authors.lastname: Qizilbash
mesh_terms: D016206:Databases, Bibliographic / Q000706:statistics & numerical data*; D004739:England; D019317:Evidence-Based Medicine; D049673:History, 20th Century; D011643:Publishing / Q000706:statistics & numerical data*; D016032:Randomized Controlled Trials as Topic / Q000706:statistics & numerical data*
vernacular_title: La medicina basada en pruebas: revisiones sistemáticas. La colaboración Cochrane.