PT - JOURNAL ARTICLE ED - , TI - Corrections DP - 2003 Aug 19 TA - Canadian Medical Association Journal PG - 283--283-a VI - 169 IP - 4 4099 - http://www.cmaj.ca/content/169/4/283.2.short 4100 - http://www.cmaj.ca/content/169/4/283.2.full SO - CMAJ2003 Aug 19; 169