title: Registration of clinical trials--voluntary or mandatory?
authors.forename: Robert
authors.initials: R
authors.lastname: Steinbrook
mesh_terms: D002986:Clinical Trials as Topic / Q000331:legislation & jurisprudence*; D016208:Databases, Factual; D004345:Drug Industry / Q000331:legislation & jurisprudence; D035081:Editorial Policies; D033161:Government Regulation; D006801:Humans; D009317:National Library of Medicine (U.S.); D010506:Periodicals as Topic / Q000592:standards; D012042:Registries; D014481:United States