PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.051324 DP - 2006 Aug 15 TA - Canadian Medical Association Journal PG - 440--440 VI - 175 IP - 4 4099 - http://www.cmaj.ca/content/175/4/440.short 4100 - http://www.cmaj.ca/content/175/4/440.full SO - CMAJ2006 Aug 15; 175