TY - JOUR T1 - Corrections JF - Canadian Medical Association Journal JO - CMAJ SP - 771 LP - 771-a DO - 10.1503/cmaj.1040215 VL - 170 IS - 5 A2 - , Y1 - 2004/03/02 UR - http://www.cmaj.ca/content/170/5/771.2.abstract ER -