AU - Korenstein D, Falk R, Howell EA, Bishop T, Keyhani S TI - Overuse of health care services in the united states: An understudied problem PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {171-178}, VI - 172 IP - 2 AID - 10.1001/archinternmed.2011.772 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.772 SO - Archives of Internal Medicine January 23, 2012 172(2):171