1. Silverman SM. Medically supervised withdrawal for opioid dependence. In: Kaye DA, Vadivelu N, Urman RD, editors. Substance abuse, inpatient and outpatient management for every clinician. Springer: New York; 2015. p. 549–66.
2. Manchikanti L, et al. American Society of Interventional Pain Physicians (ASIPP) guidelines for responsible opioid prescribing in chronic non-cancer pain: parts 1–2. Pain Phys. 2012;15:S1–116.
3. Chou R, et al. American Pain Society-American Academy of Pain Medicine Opioids Guidelines Panel. Clinical guidelines for the use of chronic opioid therapy in chronic non-cancer pain. J Pain. 2009;10:113–30.
4. Institute of Medicine. Relieving pain in america: a blueprint for transforming prevention, care, education, and research. Washington, DC: The National Academies Press; 2011.
5. Model Policy for the Use of Controlled Substances for the Treatment of Pain. The Federation of State Medical Boards of the United States. Inc., May 2004.