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An Electronic Practice-Based Network for Observational Comparative Effectiveness Research
Wilson D. Pace, MD; Maribel Cifuentes, RN, BSN; Robert J. Valuck, PhD; Elizabeth W. Staton, MSTC; Elias C. Brandt, BS; David R. West, PhD
Annals of Internal Medicine 2009;151:338-340. doi:10.7326/0003-4819-151-5-200909010-00140

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