1. Center for Behavioral Health Statistics and Quality.Behavioral health trends in the United States: Results from the 2014 National Survey on Drug Use and Health(HHS Publication No. SMA 15‐4927 NSDUHSeries H‐50).2015. Retrieved fromhttp://www.samhsa.gov/data/
2. RhyanC. Economic toll of opioid crisis in US exceeded $1 trillion since 2001; 2018.
3. HedegaardH MiniñoAM WarnerM. Drug overdose deaths in the United States 1999–2018;2020.
4. HootsBE XuL KariisaM et al. Annual surveillance report of drug‐related risks and outcomes—United States; 2018.
5. Trends and Geographic Patterns in Drug and Synthetic Opioid Overdose Deaths — United States, 2013–2019