PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.061008 DP - 2006 Nov 21 TA - Canadian Medical Association Journal PG - 1488--1488 VI - 175 IP - 11 4099 - http://www.cmaj.ca/content/175/11/1488.short 4100 - http://www.cmaj.ca/content/175/11/1488.full SO - CMAJ2006 Nov 21; 175