PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.051242 DP - 2006 Sep 26 TA - Canadian Medical Association Journal PG - 836--836 VI - 175 IP - 7 4099 - http://www.cmaj.ca/content/175/7/836.short 4100 - http://www.cmaj.ca/content/175/7/836.full SO - CMAJ2006 Sep 26; 175