1. Agency for Healthcare Research and Quality [AHRQ] 2010 Fact Sheet: American Recovery and Reinvestment Act Investments in Comparative Effectiveness Research for Data Infrastructure http://archive.ahrq.gov/funding/arra/factsheets/osfsinfra.html
2. Agency for Healthcare Research and Quality [AHRQ] 2014a Data Innovations. Healthcare Cost and Utilization Project (HCUP) www.hcup-us.ahrq.gov/datainnovations/grants.jsp
3. Agency for Healthcare Research and Quality [AHRQ] 2014b Clinical Content Enhancement Toolkit. Healthcare Cost and Utilization Project (HCUP) www.hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/home_toolkits.jsp
4. Agency for Healthcare Research and Quality [AHRQ] 2014c Race and Ethnicity Data Improvement Toolkit. Healthcare Cost and Utilization Project (HCUP) www.hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/home_race.jsp