1. Ginsburg PB: High and rising health care costs: Demystifying U.S. health care spending. Research Synthesis Report No 16. 2008, The Robert Wood Johnson Foundation
2. Wennberg JE: Unwarranted variations in healthcare delivery: implications for academic medical centres. Bmj. 2002, 325 (7370): 961-964. 10.1136/bmj.325.7370.961.
3. Institute of Medicine: Crossing the quality chasm: a new health system for the 21st century. 2001, Washington, DC: National Academy Press
4. Mercer HR Consulting: Companies Unite in Care Focused Purchasing Initiative to Push US New Health Care Market [Press release]. [ http://www.mercer.com/pressreleaselisting.htm ]
5. The Ambulatory Care Quality Alliance: Improving Clinical Quality and Consumer Decisionmaking. Background document. [ http://www.ahrq.gov/qual/aqaback.htm ]