title: Compulsory registration of clinical trials.
authors.forename: A D
authors.initials: AD
authors.lastname: Ormerod
authors.forename: H C
authors.initials: HC
authors.lastname: Williams
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D003880:Dermatology / Q000592:standards*; D006801:Humans; D007391:International Cooperation; D010506:Periodicals as Topic / Q000592:standards*; D012042:Registries