“Trends in Health Care Expenditures for the Elderly, Age 65 and Over: 2001, 2006, and 2011,” by Lisa B. Mirel and Kelly Carper (Statistical Brief No. 429, January 2014, .pdf and HTML format, 7p.).
meps.ahrq.gov/mepsweb/data_stats/Pub_ProdResults_Details.jsp?pt=Statistical+Brief&opt=2&id=1129
