1. Drug supply chain security: wholesalers exchange most tracing information Publication: [Washington, D.C.] : U.S. Department of Health and Human Services, Office of Inspector General, September 2017 Subject(s): Pharmaceutical Preparations -- supply & distributionPrescription Drug DiversionInformation DisseminationSecurity MeasuresHumansUnited StatesUnited States. Department of Health and Human Services.United States. Food and Drug Administration.