title: The potential impact of unpublished results.
authors.affiliation: anneke.germeraad@maastrichtuniversity.nl
authors.forename: J André
authors.initials: JA
authors.lastname: Knottnerus
authors.forename: Peter
authors.initials: P
authors.lastname: Tugwell
mesh_terms: D006801:Humans; D017594:Publication Bias; D011643:Publishing / Q000592:standards; D016032:Randomized Controlled Trials as Topic; D012196:Review Literature as Topic