References
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- Methamphetamine abuse and addiction. 2002; 1–8, Washington, DC: National Institute on Drug Abuse, U.S. Department of Health and Human Services, National Institutes of Health
- National Drug Threat Assessment. 2003, National Drug Intelligence Center.
- Treatment Episode Data Set (TEDS). 2003, 1992–2001. National Admissions to Substance Abuse Treatment Services. Rockville, MD, Substance Abuse and Mental Health Services Administration, Office of Applied Studies
- World Drug Report. 2004; 159–202, Vienna, Austria, United Nations Office on Drugs and Crime, 2004