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Comparing levels of evidence between Choosing Wisely and Essential Evidence Plus
  1. Joseph R Yancey1,
  2. Kenneth W Lin2
  1. 1 Defense Health Agency, Falls Church, Virginia, USA
  2. 2 Department of Family Medicine, Georgetown University School of Medicine, Washington, DC, USA
  1. Correspondence to Dr Joseph R Yancey, Defense Health Agency Consortium, 7700 Arlington Blvd, Falls Church, Virginia 22042, USA; yancer60{at}

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Although there has been increasing emphasis on the use of evidence to guide medical practice, using primary research studies to answer questions at the point-of-care is too time-consuming for most primary care physicians. Instead, physicians generally rely on secondary sources of evidence-based medicine from trusted curators.

The American Board of Internal Medicine Foundation’s Choosing Wisely campaign is an example of a secondary source of evidence focused on common medical practices that clinicians and patients should rethink in light of poor evidence …

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  • Disclaimer The views expressed in this letter are those of the authors alone and do not reflect the views of the US Army, Defense Health Agency or the Department of Defense.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.

  • Data sharing statement Further data from our analysis are available in our article published in JABFM, excluded here for brevity and simplicity.