AU - Bild DE TI - Thriving of the fittest: Comment on “fitness and the development of chronic conditions in later life” PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {1340-1341}, VI - 172 IP - 17 AID - 10.1001/archinternmed.2012.3406 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2012.3406 SO - Archives of Internal Medicine September 24, 2012 172(17):1340