title: New journal policy regarding registration of clinical trials.
authors.forename: John H
authors.initials: JH
authors.lastname: Stone
authors.forename: Michael D
authors.initials: MD
authors.lastname: Lockshin
authors.forename: Patricia P
authors.initials: PP
authors.lastname: Katz
authors.forename: Edward H
authors.initials: EH
authors.lastname: Yelin
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D010506:Periodicals as Topic; D011640:Public Policy; D012042:Registries