Silver Book Fact
National Committee for Quality Assurance. The State of Healthcare Quality Report 2007; September 2007. http://www.ncqa.org/Portals/0/Publications/Resource%20Library/SOHC/SOHC_07.pdf
National Committee for Quality Assurance. The State of Healthcare Quality Report 2007; September 2007. http://www.ncqa.org/Portals/0/Publications/Resource%20Library/SOHC/SOHC_07.pdf