AU - Ross C TI - A possible epigenetic explanation for the relationship between physical activity and exceptional health among older women PT - JOUR DP - 2010 TA - Archives of Internal Medicine pages = {1081-1083}, VI - 170 IP - 12 AID - 10.1001/archinternmed.2010.192 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2010.192 SO - Archives of Internal Medicine June 28, 2010 170(12):1081