TY - JOUR T1 - Prescribing errors JF - Canadian Medical Association Journal JO - CMAJ SP - 229 LP - 230 DO - 10.1503/cmaj.1041460 VL - 172 IS - 2 AU - Joel Lexchin Y1 - 2005/01/18 UR - http://www.cmaj.ca/content/172/2/229.abstract ER -