1. Assessment of the trends in medical use and misuse of opioid analgesics from 2004 to 2011;Atluri;Pain Physician,2014
2. Substance Abuse and Mental Health Services Administration, Results from the 2012 National Survey on Drug Use and Health: Summary of National Findings, NSDUH Series H-46, HHS Publication No. (SMA) 13-4795. Rockville, MD: Substance Abuse and Mental Health Services Administration; 2013.
3. Vital signs: variation among States in prescribing of opioid pain relievers and benzodiazepines—United States, 2012;Paulozzi;MMWR Morb Mortal Wkly Rep,2014
4. Goodman & Gilman's Pharmacological Basis of Therapeutics;Goodman,2011
5. Cellular and synaptic adaptations mediating opioid dependence;Williams;Physiol Rev,2001