AU - et al TI - MEdicare's role and future challenges PT - JOUR DP - 2012 TA - JAMA pages = {2072}, VI - 308 IP - 20 AID - 10.1001/jama.2012.53860 [doi] 4100 - http://dx.doi.org/10.1001/jama.2012.53860 SO - JAMA November 28, 2012 308(20):2072