PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.050237 DP - 2005 May 10 TA - Canadian Medical Association Journal PG - 1408--1408 VI - 172 IP - 10 4099 - http://www.cmaj.ca/content/172/10/1408.short 4100 - http://www.cmaj.ca/content/172/10/1408.full SO - CMAJ2005 May 10; 172