1. Spencer MR, Miniño AM, Warner M. Drug overdose deaths in the United States, 2001–2021. NCHS Data Brief. 2022;457:1–8.
2. Ahmad FB, Rossen LM, Sutton P. Provisional drug overdose death counts. National center for health statistics. 2023 [cited 2023 Oct 1]. Available from: https://www.cdc.gov/nchs/nvss/vsrr/drug-overdose-data.htm
3. National Center for Health Statistics. U.S. Overdose Deaths in 2021 increased half as much as in 2020-but are still up 15% [Internet]. Centers for Disease Control and Prevention
4. 2022 May [cited 2023 Sep 12]. Available from: https://www.cdc.gov/nchs/pressroom/nchs_press_releases/2022/202205.htm#:~:text=Provisional%20data%20from%20CDC's%20National,93%2C655%20deaths%20estimated%20in%202020
5. National Institute on Drug Abuse. Drug overdose death rates. 2023 [cited 2023 Sept 12]. Available from: https://nida.nih.gov/research-topics/trends-statistics/overdose-death-rates