Chronic opioid therapy for non-cancer pain B.-J. Collett British Journal of Anaesthesia Volume 87, Issue 1, Pages 133-143 (July 2001) DOI: 10.1093/bja/87.1.133 Copyright © 2001 British Journal of Anaesthesia Terms and Conditions
Fig 1 Annual numbers of new users of pain relievers non-medically 1990–1998. Source: Substance Abuse and Mental Health Services Administration, Office of Applied Studies, National Household Survey on Drug Abuse, 1999. British Journal of Anaesthesia 2001 87, 133-143DOI: (10.1093/bja/87.1.133) Copyright © 2001 British Journal of Anaesthesia Terms and Conditions