AU - Zhang Y, Zhou L, Gellad WF TI - POtential savings from greater use of $4 generic drugs PT - JOUR DP - 2011 TA - Archives of Internal Medicine pages = {468-469}, VI - 171 IP - 5 AID - 10.1001/archinternmed.2011.46 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.46 SO - Archives of Internal Medicine March 14, 2011 171(5):468