1. Methadone maintenance program and patient census in the US;American Methadone Treatment Association,1998
2. Diagnostic and statistical manual of mental disorders, fourth edition (DSM-IV);American Psychiatric Association,1994
3. DSM V: American Psychiatric Association;American Psychiatric Association,2013
4. Expanding treatment capacity for opioid dependence with office-based treatment with buprenorphine: National surveys of physicians;Arfken;Journal of Substance Abuse Treatment,2010
5. Technical Report for the Price and Purity of Illicit Drugs Through 2003;Arkes;Office of National Drug Control Policy November; 2004,2004