AU - Cooper RA TI - REgional variation and the affluence-poverty nexus PT - JOUR DP - 2009 TA - JAMA pages = {1113-1114}, VI - 302 IP - 10 AID - 10.1001/jama.2009.1222 [doi] 4100 - http://dx.doi.org/10.1001/jama.2009.1222 SO - JAMA September 9, 2009 302(10):1113