AU - Steptoe A, Wardle J TI - ENjoying life and living longer PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {273-275}, VI - 172 IP - 3 AID - 10.1001/archinternmed.2011.1028 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.1028 SO - Archives of Internal Medicine February 13, 2012 172(3):273