A qualitative study identified a wide variation of expected impacts of the 626 low-value services spotted by the US Choosing Wisely recommendations.

Longitudinal Content Analysis of the Characteristics and Expected Impact of Low-Value Services Identified in US Choosing Wisely Recommendations – JAMA Internal Medicine (free for a limited period)

Editorial: The Next Frontier of Less Is More—From Description to Implementation – JAMA Internal Medicine (free for a limited period)

See complete lists of low-value practices: Choosing Wisely U.S. / Choosing Wisely UK / Choosing Wisely Australia AND Choosing Wisely Canada