1. Concerns about opioid use in Medicare Part D in the Appalachian region Publication: [Washington, D.C.] : U.S. Department of Health and Human Services, Office of Inspector General, April 2019 Subject(s): Analgesics, Opioid -- therapeutic useMedicare Part DOpioid-Related Disorders -- epidemiologyDrug Utilization -- statistics & numerical dataInappropriate Prescribing -- statistics & numerical dataPrescription Drug Diversion -- statistics & numerical dataPrescription Drug Monitoring ProgramsHumansAppalachian RegionUnited States