PT - JOURNAL ARTICLE ED - , TI - Briefly AID - 10.1503/cmaj.090650 DP - 2009 May 12 TA - Canadian Medical Association Journal PG - 1011--1011 VI - 180 IP - 10 4099 - http://www.cmaj.ca/content/180/10/1011.1.short 4100 - http://www.cmaj.ca/content/180/10/1011.1.full SO - CMAJ2009 May 12; 180