1. Chiropractic services in the Medicare program: payment vulnerability analysis,2005
2. In: Medicare benefit policy manual;Chapter 15 – Covered Medical and Other Health Services,2012
3. Medicare Part B Physician/Supplier National Data - Calendar Year 2010 Expenditures and Services by Specialty Baltimore, MD: Centers for Medicare and Medicaid Services; [April 1, 2013]. Available from: http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/MedicareFeeforSvcPartsAB/downloads/Specialty2010.pdf.
4. Medicare Part B Physician/Supplier National Data—Calendar Year 2011 Expenditures and Services by Specialty. Baltimore, MD: Centers for Medicare and Medicaid Services; [April 1, 2013]. Available from: http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/MedicareFeeforSvcPartsAB/Downloads/Specialty2011.pdf.
5. Medicare Part B Physician/Supplier National Data—Calendar Year 2009 Expenditures and Services by Specialty. Baltimore, MD: Centers for Medicare and Medicaid Services; [April 1, 2013]. Available from: http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/MedicareFeeforSvcPartsAB/Downloads/Specialty2009.pdf.