AU - Zhang Y, Steinman MA, Kaplan CM TI - GEographic variation in outpatient antibiotic prescribing among older adults PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {1465-1471}, VI - 172 IP - 19 AID - 10.1001/archinternmed.2012.3717 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2012.3717 SO - Archives of Internal Medicine October 22, 2012 172(19):1465