1. National health spending projections through 2020: economic recovery and reform drive faster spending growth;Keehan;Health Aff (Millwood),2011
2. Eliminating waste in U.S. healthcare;Berwick;JAMA,2012
3. Health information exchange reduces repeated diagnostic imaging for back pain;Bailey;Ann Emerg Med,2013
4. Waste and Inefficiency in the U.S. Healthcare System;Delaune,2008