Agency for Healthcare Research and Quality (AHRQ)  
"The Healthcare Research and Quality Act of 1999 reauthorizes the Agency for...the Agency for Healthcare Research and Quality (AHRQ)...until the end of fiscal year 2005."

"AHRQ, a part of the U.S. Department of Health and Human Services, is the lead agency charged with supporting research designed to improve the quality of healthcare, reduce its cost, improve patient safety, decrease medical errors, and broaden access to essential services. AHRQ sponsors and conducts research that provides evidence-based information on healthcare outcomes; quality; and cost, use, and access. The information helps healthcare decisionmakers—patients and clinicians, health system leaders, and policymakers—make more informed decisions and improve the quality of healthcare services."

http://www.ahcpr.gov