title: [One step ahead and/or two steps back?].
authors.forename: P
authors.initials: P
authors.lastname: Lazar
mesh_terms: D016001:Confidence Intervals; D006801:Humans; D015201:Meta-Analysis as Topic; D019370:Observation; D018579:Patient Selection; D016032:Randomized Controlled Trials as Topic
vernacular_title: Un pas en avant et/ou deux pas en arrière?