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Comparison of Effects as Evidence Evolves From Single Trials to High-Quality Bodies of Evidence

Gartlehner, G., Dobrescu, A., Swinson Evans, T., Thaler, K., Nussbaumer, B., Sommer, I., & Lohr, K. (2015). Comparison of Effects as Evidence Evolves From Single Trials to High-Quality Bodies of Evidence. Agency of Healthcare Research and Quality (AHRQ).

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