PT - JOURNAL ARTICLE ED - , TI - Corrections DP - 2003 Apr 15 TA - Canadian Medical Association Journal PG - 966--966-a VI - 168 IP - 8 4099 - http://www.cmaj.ca/content/168/8/966.2.short 4100 - http://www.cmaj.ca/content/168/8/966.2.full SO - CMAJ2003 Apr 15; 168