PT - JOURNAL ARTICLE ED - , TI - Briefly AID - 10.1503/cmaj.109-3772 DP - 2011 Feb 08 TA - Canadian Medical Association Journal PG - E97--E99 VI - 183 IP - 2 4099 - http://www.cmaj.ca/content/183/2/E97.short 4100 - http://www.cmaj.ca/content/183/2/E97.full SO - CMAJ2011 Feb 08; 183