1. Drug discount program: status of agency efforts to improve 340B program oversight : testimony before the Committee on Health, Education, Labor, and Pensions, U.S. Senate Publication: Washington, DC : United States Government Accountability Office, May 15, 2018 Subject(s): Drug CostsEconomics, PharmaceuticalGovernment RegulationMedicaid -- economicsUnited StatesUnited States. Health Resources and Services Administration.