title: [About the no evidence of the "evidence". Twenty years after the start of its use].
authors.forename: José Luis
authors.initials: JL
authors.lastname: Sandoval Gutiérrez
mesh_terms: D003695:Delivery of Health Care / Q000379:methods* / Q000639:trends; D019317:Evidence-Based Medicine / Q000379:methods* / Q000639:trends; D006801:Humans