Insufficient evidence regarding the effectiveness of medical treatments has been identified as a key source of inefficiency in the U.S. healthcare system. Variation in the use of diagnostic tests and treatments for patients with similar symptoms or condit
Eric C. Schneider,Justin W. Timbie,D. Steven Fox,et al. Dissemination and Adoption of Comparative Effectiveness Research Findings When Findings Challenge Current Practices. 2011-01-01.