@article {1666,
	title = {Systematic review: opioid treatment for chronic back pain: prevalence, efficacy, and association with addiction.},
	journal = {Annals of internal medicine},
	volume = {146},
	year = {2007},
	month = {2007 Jan 16},
	pages = {116-27},
	abstract = {The prevalence, efficacy, and risk for addiction for persons receiving opioids for chronic back pain are unclear.},
	keywords = {Analgesics, Opioid, Chronic Disease, Clinical Trials as Topic, Drug Prescriptions, Humans, Low Back Pain, Prevalence, Substance-Related Disorders, United States},
	issn = {1539-3704},
	doi = {10.1111/j.1521-0391.2011.00207.x},
	author = {Martell, Bridget A and O{\textquoteright}Connor, Patrick G and Kerns, Robert D and Becker, William C and Morales, Knashawn H and Kosten, Thomas R and Fiellin, David A}
}
