PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.1040547 DP - 2004 Oct 12 TA - Canadian Medical Association Journal PG - 1006--1006 VI - 171 IP - 8 4099 - http://www.cmaj.ca/content/171/8/1006.short 4100 - http://www.cmaj.ca/content/171/8/1006.full SO - CMAJ2004 Oct 12; 171