PT - JOURNAL ARTICLE ED - , TI - Highlights DP - 2009 Mar 03 TA - Canadian Medical Association Journal PG - 477--477 VI - 180 IP - 5 4099 - http://www.cmaj.ca/content/180/5/477.short 4100 - http://www.cmaj.ca/content/180/5/477.full SO - CMAJ2009 Mar 03; 180