PT - JOURNAL ARTICLE ED - , TI - Highlights DP - 2011 Oct 18 TA - Canadian Medical Association Journal PG - 1685--1685 VI - 183 IP - 15 4099 - http://www.cmaj.ca/content/183/15/1685.short 4100 - http://www.cmaj.ca/content/183/15/1685.full SO - CMAJ2011 Oct 18; 183