PT - JOURNAL ARTICLE ED - , TI - Correction DP - 2003 Oct 14 TA - Canadian Medical Association Journal PG - 755--755-b VI - 169 IP - 8 4099 - http://www.cmaj.ca/content/169/8/755.3.short 4100 - http://www.cmaj.ca/content/169/8/755.3.full SO - CMAJ2003 Oct 14; 169