PT - JOURNAL ARTICLE ED - , TI - Query AID - 10.1503/cmaj.1041179 DP - 2005 Jun 07 TA - Canadian Medical Association Journal PG - 1648--1648 VI - 172 IP - 12 4099 - http://www.cmaj.ca/content/172/12/1648.short 4100 - http://www.cmaj.ca/content/172/12/1648.full SO - CMAJ2005 Jun 07; 172