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What comparative effectiveness research is needed? A framework for using guidelines and systematic reviews to

Tianjing Li1, S Swaroop Vedula, Roberta Scherer

  • 1Center for Clinical Trials, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205, USA. tli@jhsph.edu

Annals of Internal Medicine
|March 7, 2012
PubMed

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