PT - JOURNAL ARTICLE ED - , TI - Correction DP - 2001 Apr 03 TA - Canadian Medical Association Journal PG - 970--970 VI - 164 IP - 7 4099 - http://www.cmaj.ca/content/164/7/970.short 4100 - http://www.cmaj.ca/content/164/7/970.full SO - CMAJ2001 Apr 03; 164