1. Tetrault JM, Fiellin DA. Current and potential pharmacological treatment options for maintenance therapy in opioid-dependent individuals. Drugs. 2012;72(2):217–28.
2. Substance Abuse and Mental Health Services Administration. Results from the 2011 National Survey on Drug Use and Health: summary of national findings, NSDUH Series H-44, HHS publication no. (SMA) 12-4713. Rockville: Substance Abuse and Mental Health Services Administration; 2012.
3. Birnbaum HG, White AG, Schiller M, et al. Societal costs of prescription opioid abuse, dependence, and misuse in the United States. Pain Med. 2011;12(4):657–67.
4. World Health Organization. Guidelines for the psychosocially assisted pharmacological treatment of opioid dependence. 2009. http://www.who.int/substance_abuse/publications/opioid_dependence_guidelines.pdf . Accessed 22 May 2013.
5. Substance Abuse and Mental Health Services Administration. SAMHSA Advisory: an introduction to extended-release injectable naltrexone for the treatment of people with opioid dependence. 2012. http://store.samhsa.gov/shin/content//SMA12-4682/SMA12-4682.pdf . Accessed 7 Mar 2013.