title: Registering a clinical trial in ClinicalTrials.gov.
authors.affiliation: The National Library of Medicine, Rockville, MD. Electronic address: dzarin@mail.nih.gov.
authors.forename: Deborah A
authors.initials: DA
authors.lastname: Zarin
authors.affiliation: The National Library of Medicine, Rockville, MD.
authors.forename: Alla
authors.initials: A
authors.lastname: Keselman
mesh_terms: D002986:Clinical Trials as Topic; D016208:Databases, Factual; D006801:Humans; D020407:Internet; D015201:Meta-Analysis as Topic; D009317:National Library of Medicine (U.S.); D016032:Randomized Controlled Trials as Topic; D012042:Registries; D014481:United States