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Good Research Practices for Comparative Effectiveness Research: Defining, Reporting and Interpreting Nonrandomized Studies of Treatment Effects Using Secondary Data Sources: The ISPOR Good Research Practices for Retrospective Database Analysis Task Force Report—Part I

Program ImplementationMeta-analysisHealth PolicyResearch SynthesisOutcomes ResearchInterpreting Nonrandomized StudiesQuasi-experimentHealth StudiesPublic HealthComparative Effectiveness ResearchComparative StudiesGood Research Practices