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3. CDC. Drug overdose deaths in the U.S. top 100,000 annually. Atlanta (GA): CDC; 2021.
4. Trends and Geographic Patterns in Drug and Synthetic Opioid Overdose Deaths — United States, 2013–2019
5. Minnesota Department of Health. Nonfatal drug overdoses increased during COVID-19 pandemic. 2021. Available at: https://www.health.state.mn.us/news/pressrel/2021/overdose093021.html