TY - JOUR T1 - Corrections JF - Canadian Medical Association Journal JO - CMAJ SP - 553 LP - 553-b DO - 10.1503/cmaj.1041338 VL - 171 IS - 6 A2 - , Y1 - 2004/09/14 UR - http://www.cmaj.ca/content/171/6/553.3.abstract ER -