title: Trends in National Institutes of Health Funding for Clinical Trials Registered in ClinicalTrials.gov.
authors.affiliation: Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
authors.forename: Stephan
authors.initials: S
authors.lastname: Ehrhardt
authors.affiliation: Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins University, Baltimore, Maryland.
authors.forename: Lawrence J
authors.initials: LJ
authors.lastname: Appel
authors.affiliation: Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
authors.forename: Curtis L
authors.initials: CL
authors.lastname: Meinert
mesh_terms: D002986:Clinical Trials as Topic / Q000706:statistics & numerical data*; D016208:Databases, Factual / Q000706:statistics & numerical data / Q000639:trends; D004345:Drug Industry / Q000706:statistics & numerical data / Q000639:trends*; D009316:National Institutes of Health (U.S.) / Q000706:statistics & numerical data / Q000639:trends*; D012042:Registries; D012109:Research Support as Topic / Q000706:statistics & numerical data / Q000639:trends*; D014481:United States