1. Rehm J, Baliunas D, Brochu S, Fischer B, Gnam W, Patra J, et al. The costs of substance abuse in Canada 2002. Ottawa, ON: Canadian Centre on Substance Abuse (CCSA), 2006.
2. International Narcotics Control Board (INCB). Annual Report: Press Release No. 4. Vienna, Switzerland: INCB, 2007.
3. Compton W, Volkow N. Major increases in opi-oid analgesic abuse in the United States: Concerns and strategies. Drug Alcohol Depend 2006;81(2):103–7.
4. Sung HE, Richter L, Vaughan R, Johnson PB, Thom B. Nonmedical use of prescription opioids among teenagers in the United States: Trends and correlates. J Adolesc Health 2005;37(1):44–51.
5. National Institutes of Health. Effective medical treatment of opiate addiction. National Consensus Development Panel on Effective Medical Treatment of Opiate Addiction. JAMA 1998;283(22):2931–32.