title: The evolution of trial registries and their use to assess the clinical trial enterprise.
authors.forename: Kay
authors.initials: K
authors.lastname: Dickersin
authors.forename: Drummond
authors.initials: D
authors.lastname: Rennie
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards* / Q000706:statistics & numerical data*; D016208:Databases, Factual; D006801:Humans; D012042:Registries / Q000706:statistics & numerical data*