1. Medical Toxicology of Drug Abuse: Synthesized Chemicals and Psychoactive Plants;Barceloux,2012
2. Deaths associated with inhalant abuse in Virginia from 1987 to 1996;Bowen;Drug and Alcohol Dependence,1999
3. Historical trends in the production and consumption of illicit drugs in Mexico: Implications for the prevention of blood borne infections;Bucardo;Drug and Alcohol Dependence,2005
4. Canadian Center on Substance Abuse, 2014. Synthetic cannabinoids in Canada. Available at: www.ccsa.ca/Resource%20Library/CCSA-CCENDU-Synthetic-Cannabis-Bulletin-2014-en.pdf (accessed 12.12.14).
5. Center for Disease Control and Prevention, 2014. Morbidity and Mortality Weekly Report (MMWR): Rates of drug poisoning deaths involving heroin, by selected age and racial/ethnic groups – United States, 2002 and 2011. Available at: www.cdc.gov/mmwr/preview/mmwrhtml/mm6327a5.htm?s_cid=mm6327a5_w (accessed 12.12.14).