1. Bogalusa Heart Study: A Long-Term Community Study of a Rural Biracial (Black/White) Population;Berenson;American Journal of the Medical Sciences,2001
2. 2011 http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/ReportsTrustFunds/downloads/tr2010.pdf
3. 2012 http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/ReportsTrustFunds/Downloads/TR2011.pdf
4. 2013 http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/ReportsTrustFunds/Downloads/TR2012.pdf