title: [Blinding for clinical trials. Does it matter?].
authors.affiliation: Unidad de Medicina Basada en Evidencia, Pontificia Universidad Católica de Chile. lmletel@med.puc.cl
authors.forename: Luz María
authors.initials: LM
authors.lastname: Letelier
authors.forename: Juan Jorge
authors.initials: JJ
authors.lastname: Manríquez
authors.forename: Juan Carlos
authors.initials: JC
authors.lastname: Claro
mesh_terms: D004311:Double-Blind Method; D006801:Humans; D017594:Publication Bias; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D015203:Reproducibility of Results; D016037:Single-Blind Method