PT - JOURNAL ARTICLE AU - Drendel, Amy L. AU - Ali, Samina TI - Efficacy and practicality of codeine AID - 10.1503/cmaj.111-2012 DP - 2011 Feb 22 TA - Canadian Medical Association Journal PG - 349--349 VI - 183 IP - 3 4099 - http://www.cmaj.ca/content/183/3/349.1.short 4100 - http://www.cmaj.ca/content/183/3/349.1.full SO - CMAJ2011 Feb 22; 183