PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.1031755 DP - 2004 May 11 TA - Canadian Medical Association Journal PG - 1632--1632 VI - 170 IP - 10 4099 - http://www.cmaj.ca/content/170/10/1632.short 4100 - http://www.cmaj.ca/content/170/10/1632.full SO - CMAJ2004 May 11; 170