title: Measuring the effectiveness of medical interventions: new expectations of health services research.
authors: G H
authors: GH
authors: DeFriese
mesh_terms: D006302:Health Services Research / Q000379:methods*; D006801:Humans; D010043:Outcome and Process Assessment, Health Care; D011785:Quality Assurance, Health Care; D012107:Research Design; D014481:United States; D016270:United States Agency for Healthcare Research and Quality