1. Substance Abuse and Mental Health Services Administration, results from the 2012 national survey on drug use and health: summary of national findings, NSDUH series H-46, HHS publication no. (SMA) 13-4795. Rockville: Substance Abuse and Mental Health Services Administration, 2013.
2. Substance Abuse and Mental Health Services Administration, Center for Behavioral Health Statistics and Quality. Treatment episode data set (TEDS): 2001-2011. National Admissions to Substance Abuse Treatment Services. BHSIS Series S-65, HHS Publication No. (SMA) 13-4772. Rockville: Substance Abuse and Mental Health Services Administration, 2013.
3. American Psychiatric Association. Diagnostic and statistical manual of mental disorders (DSM-5). Arlington: American Psychiatric Publishing; 2013.
4. Budney AJ, Hughes JR, Moore BA, Vandrey R. Review of the validity and significance of cannabis withdrawal syndrome. Am J Psychiatry. 2004;161(11):1967–77.
5. Haney M, Ward AS, Comer SD, Foltin RW, Fischman MW. Abstinence symptoms following smoked marijuana in humans. Psychopharmacology (Berlin). 1999;141(4):395–404.