title: Institutional obstacles to clinical research.
authors.affiliation: Rockefeller University, New York, New York 10021.
authors.forename: E H
authors.initials: EH
authors.lastname: Ahrens
mesh_terms: D000047:Academies and Institutes; D015510:Clinical Medicine / Q000145:classification; D004501:Education, Medical / Q000639:trends; D006801:Humans; D009316:National Institutes of Health (U.S.); D012106:Research / Q000191:economics / Q000706:statistics & numerical data / Q000639:trends*; D012109:Research Support as Topic / Q000191:economics / Q000639:trends; D014481:United States