PT - JOURNAL ARTICLE ED - , TI - For the record AID - 10.1503/cmaj.109-3872 DP - 2011 May 17 TA - Canadian Medical Association Journal PG - E471--E476 VI - 183 IP - 8 4099 - http://www.cmaj.ca/content/183/8/E471.short 4100 - http://www.cmaj.ca/content/183/8/E471.full SO - CMAJ2011 May 17; 183