PT - JOURNAL ARTICLE ED - , TI - Corrections AID - 10.1503/cmaj.061083 DP - 2006 Sep 12 TA - Canadian Medical Association Journal PG - 624--624-b VI - 175 IP - 6 4099 - http://www.cmaj.ca/content/175/6/624.3.short 4100 - http://www.cmaj.ca/content/175/6/624.3.full SO - CMAJ2006 Sep 12; 175