PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.051374 DP - 2006 Mar 28 TA - Canadian Medical Association Journal PG - 1050--1050 VI - 174 IP - 7 4099 - http://www.cmaj.ca/content/174/7/1050.short 4100 - http://www.cmaj.ca/content/174/7/1050.full SO - CMAJ2006 Mar 28; 174