International collaborative group on clinical trial registries. Position paper and consensus recommendations on clinical trial registries.  Ad Hoc Working Party of the International Collaborative Group on Clinical Trials Registries.
D002986:Clinical Trials as Topic; D003219:Confidentiality; D003365:Costs and Cost Analysis; D016208:Databases, Factual; D004992:Ethics, Medical; D006801:Humans; D007391:International Cooperation; D017594:Publication Bias; D012042:Registries