1. US Department of Health and Human Services. Press release: HHS acting secretary declares public health emergency to address national opioid crisis. https://www.hhs.gov/about/news/2017/10/26/hhs-acting-secretary-declares-publichealth-emergency-address-national-opioid-crisis.html. Published October 26, 2017. Accessed February 7, 2021.
2. U.S. Department of Health and Human Services. Substance Abuse and Mental Health Services Administration. Medications for Opioid Use Disorder; 2020. Treatment Improvement Protocol TIP 63. Publication No. PEP20-02-01-006.
3. Ahmad FB, Rossen LM, Spencer MR, Warner M, Sutton P. Provisional drug overdose death counts. National Center for Health Statistics; 2018.
4. CDC. Vital statistics rapid release. https://www.cdc.gov/nchs/nvss/vsrr/drug-overdose-data.htm. Accessed November 4, 2021.