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What Comparative Effectiveness Research Is Needed? A Framework for Using Guidelines and Systematic Reviews to Identify Evidence Gaps and Research Priorities
Tianjing Li, MD, MHS, PhD; S. Swaroop Vedula, MD, MPH; Roberta Scherer, PhD; Kay Dickersin, MA, PhD
Annals of Internal Medicine 2012;156:367-377. doi:10.7326/0003-4819-156-5-201203060-00009

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