PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.051341 DP - 2006 Aug 29 TA - Canadian Medical Association Journal PG - 548--548 VI - 175 IP - 5 4099 - http://www.cmaj.ca/content/175/5/548.short 4100 - http://www.cmaj.ca/content/175/5/548.full SO - CMAJ2006 Aug 29; 175