References
- Drug Enforcement Administration, Last Acts, Pain & Policy Studies Group, et al. Promoting Pain Relief and Preventing Abuse of Pain Medications: A Critical Balancing Act. Last Acts, Washington, DC 2001, (Available at http://www.medsch.wisc.edu/painpolicy/dea01.htm)
- Gilson A, Ryan K, Joranson D, Dahl J. A reassessment of trends in the medical use and abuse of opioid analgesics and implications for diversion control:1997–2002. J Pain Symptom Manage 2004; 28(2)176–188, (Available at http://www.medsch.wisc.edu/painpolicy/publicat/04jpsm/index.htm) David E. Joranson and Russell K. Portenoy