1. Evidence-Based Scientific Data Documenting the Treatment and Cost-Effectiveness of Comprehensive Pain Programs for Chronic Nonmalignant Pain
2. National Drug Intelligence Center. National Prescription Drug Threat Assessment. Johnstown, PA; April 2009. Available at: http://www.usdoj.gov/ndic/pubs33/33775/index.htm (accessed May 2009).
3. Lipton B King B Laws C Stevens J . Workers Compensation Prescription Drug Study. Boca Raton, FL; National Council on Compensation Insurance Inc.; November 2007. Available at: http://www.ncci.com/documents/research-RX-Study-2007.pdf (accessed May 2009).
4. Loeser JD . Multidisciplinary pain programs. In: Loeser JD Butler SH Chapman CR Turk DC , eds. Bonica's Management of Pain, 3rd edition. Philadelphia, PA: Lippincott Williams & Wilkins; 2001:255–64.
5. Treatment outcome in a chronic pain rehabilitation program