PT - JOURNAL ARTICLE AU - TI - Query AID - 10.1503/cmaj.1040814 DP - 2005 Feb 15 TA - Canadian Medical Association Journal PG - 600--600 VI - 172 IP - 4 4099 - http://www.cmaj.ca/content/172/4/600.short 4100 - http://www.cmaj.ca/content/172/4/600.full SO - CMAJ2005 Feb 15; 172