PT - JOURNAL ARTICLE AU - Nickerson, Jason W. AU - Attaran, Amir TI - Opioids and chronic pain AID - 10.1503/cmaj.112-2002 DP - 2012 Jan 10 TA - Canadian Medical Association Journal PG - 73--73 VI - 184 IP - 1 4099 - http://www.cmaj.ca/content/184/1/73.2.short 4100 - http://www.cmaj.ca/content/184/1/73.2.full SO - CMAJ2012 Jan 10; 184