1. Agency for Healthcare Research and Quality 1998 Cahps 2.0 Medicare Managed Care Questionnaire, October 1998” http://www.ahrq.gov/downloads/pub/cahps/memcare.pdf
2. Agency for Healthcare Research and Quality 2004a CAHPS ® and the National CAHPS ® Benchmarking Database Fact Sheet http://www.ahrq.gov/qual/cahpfact.htm
3. Agency for Healthcare Research and Quality 2004b Frequently Asked Questions CAHPS Questionnaire http://www.ahrq.gov/qual/cahps/faqtoc.htm
4. CAHPS-SUN The Cahps ® Survey Users Network http://www.cahps-sun.org/home/index.asp
5. Centers for Medicare and Medicaid Services 2003 Statement of the American Medical Association to the Practicing Physicians Advisory Council Re Doctor's Office Quality (DOQ) Project: A Physician Level Measurement and Improvement Initiative http://www.cms.hhs.gov/faca/ppac/amastmt.pdf