PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.1040841 DP - 2005 Jul 05 TA - Canadian Medical Association Journal PG - 112--112 VI - 173 IP - 1 4099 - http://www.cmaj.ca/content/173/1/112.short 4100 - http://www.cmaj.ca/content/173/1/112.full SO - CMAJ2005 Jul 05; 173