title: Clinical trial registration.
authors.forename: Deborah A
authors.initials: DA
authors.lastname: Zarin
mesh_terms: D002986:Clinical Trials as Topic / Q000331:legislation & jurisprudence; D019992:Databases as Topic; D017277:Drug Approval / Q000331:legislation & jurisprudence; D006801:Humans; D012042:Registries; D014481:United States