PT - JOURNAL ARTICLE AU - Joel Lexchin TI - Prescribing errors AID - 10.1503/cmaj.1041460 DP - 2005 Jan 18 TA - Canadian Medical Association Journal PG - 229--230 VI - 172 IP - 2 4099 - http://www.cmaj.ca/content/172/2/229.short 4100 - http://www.cmaj.ca/content/172/2/229.full SO - CMAJ2005 Jan 18; 172