PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.051317 DP - 2006 Jul 18 TA - Canadian Medical Association Journal PG - 214--214 VI - 175 IP - 2 4099 - http://www.cmaj.ca/content/175/2/214.short 4100 - http://www.cmaj.ca/content/175/2/214.full SO - CMAJ2006 Jul 18; 175