1. Substance abuse and mental health services administration. Key substance use and mental health indicators in the United States: results from the 2018 national survey on drug use and health. Rockville, MD: center for behavioral health statistics and quality; 2018. Report No.: HHS Publication No. PEP19–5068, NSDUH Series H-54.
2. Substance abuse and mental health services administration. Key substance use and mental health indicators in the United States: Results from the 2019 National survey on drug use and health. Rockville, MD: Center for behavioral health statistics and quality; 2020. Report No.: HHS Publication No. PEP20-07-01-001, NSDUH Series H-55.
3. Substance abuse and mental health services administration. Key substance use and mental health indicators in the United States: Results from the 2020 national survey on drug use and health. Rockville, MD: Center for behavioral health statistics and quality; 2021. Report No.: HHS Publication No. PEP21-07-01-003, NSDUH Series H-56.
4. Gonzales R, Mooney L, Rawson RA. The methamphetamine problem in the United States. Annu Rev Public Health. 2010;31:385–98.
5. Ellis MS, Kasper ZA, Cicero TJ. Twin epidemics: the surging rise of methamphetamine use in chronic opioid users. Drug Alcohol Depend. 2018;193:14–20.