TY - JOUR T1 - Correction JF - Canadian Medical Association Journal JO - CMAJ SP - 162 LP - 162-b DO - 10.1503/cmaj.1041761 VL - 172 IS - 2 AU - Y1 - 2005/01/18 UR - http://www.cmaj.ca/content/172/2/162.3.abstract ER -