title: Re: Trends in National Institutes of Health Funding for Clinical Trials Registered in ClinicalTrials.gov.
authors.forename: David F
authors.initials: DF
authors.lastname: Penson
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D009316:National Institutes of Health (U.S.); D012042:Registries; D014481:United States