PT - JOURNAL ARTICLE ED - , TI - Corrections DP - 2001 Apr 17 TA - Canadian Medical Association Journal PG - 1129--1129-a VI - 164 IP - 8 4099 - http://www.cmaj.ca/content/164/8/1129.2.short 4100 - http://www.cmaj.ca/content/164/8/1129.2.full SO - CMAJ2001 Apr 17; 164