About the Center for Lawful Access and Abuse Deterrence The not-for-profit Center for Lawful Access and Abuse Deterrence (CLAAD) enables health professionals, law enforcement, businesses, and government, among other entities, to share resources and work together to reduce prescription drug abuse, addiction, and overdoses. CLAAD's National Prescription Drug Abuse Prevention Strategy has been endorsed by 30 non-profit organizations and may be accessed online at www.claad.org. Follow @claad_coalition on Twitter.
 Cicero TJ, Ellis MS, Surratt HL. Effect of abuse-deterrent formulation of OxyContin. New England Journal of Medicine. 2012;367(2):187-189.