PT - JOURNAL ARTICLE ED - , TI - Corrections DP - 2003 Jun 10 TA - Canadian Medical Association Journal PG - 1529--1529-b VI - 168 IP - 12 4099 - http://www.cmaj.ca/content/168/12/1529.3.short 4100 - http://www.cmaj.ca/content/168/12/1529.3.full SO - CMAJ2003 Jun 10; 168