title: [Meta-analysis of clinical trials: how to separate the good grain from the chaff].
authors.affiliation: Service de biostatistique et d'épidémiologie, Institut Gustave-Roussy, Villejuif.
authors.forename: J P
authors.initials: JP
authors.lastname: Pignon
mesh_terms: D002986:Clinical Trials as Topic; D003627:Data Interpretation, Statistical; D015201:Meta-Analysis as Topic; D017594:Publication Bias