1. Variations in national availability of waivered buprenorphine prescribers by racial and ethnic composition of zip codes Hirchak, Katherine A.; Amiri, Solmaz; Kordas, Gordon; Oluwoye, Oladunni; Lyons, Abram J.; Bajet, Kelsey; Hahn, Judith A.; McDonell, Michael G.; Campbell, Aimee N. C.; Venner, Kamilla 2022 Articles Buprenorphine--Therapeutic useOpioid abuseHealth and raceHispanic Americans--Health and hygieneAfrican Americans--Health and hygieneUnited States. Drug Enforcement Administration