AU - Willis BL, Gao A, Leonard D, DeFina LF, Berry JD TI - MIdlife fitness and the development of chronic conditions in later life PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {1333-1340}, VI - 172 IP - 17 AID - 10.1001/archinternmed.2012.3400 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2012.3400 SO - Archives of Internal Medicine September 24, 2012 172(17):1333