TY - JOUR T1 - Correction JF - Canadian Medical Association Journal JO - CMAJ SP - 598 LP - 598-b DO - 10.1503/cmaj.080133 VL - 178 IS - 5 A2 - , Y1 - 2008/02/26 UR - http://www.cmaj.ca/content/178/5/598.3.abstract ER -