1. Health insurers and medical-imaging policy—a work in progress;Iglehart;N Engl J Med,2009
2. US Government Accountability Office. Medicare Part B imaging services: rapid spending growth and shift to physician offices indicate need for CMS to consider additional management practices (GAO 08-452). Available at: http://www.gao.gov/highlights/d08452high.pdf. Accessed December 22, 2016.
3. America’s Health Insurance Plans. Ensuring quality through appropriate use of diagnostic imaging. Available at: http://www.medsolutions.com/clinical_quality/facts/AHIP%202008%20imaging%20stats.pdf. Accessed December 22, 2016.
4. Paying accurately for imaging services in Medicare;Winter;Health Aff (Millwood),2008
5. Medicare Payment Advisory Commission. Report to the Congress: Medicare and the health care delivery system. Available at: http://www.medpac.gov/docs/default-source/reports/jun11_entirereport.pdf?sfvrsn=0. Accessed March 24, 2017.