PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.051650 DP - 2006 Jan 17 TA - Canadian Medical Association Journal PG - 280--280 VI - 174 IP - 2 4099 - http://www.cmaj.ca/content/174/2/280.short 4100 - http://www.cmaj.ca/content/174/2/280.full SO - CMAJ2006 Jan 17; 174