PT - JOURNAL ARTICLE AU - Jacques Weissenburger TI - A lingering mistake AID - 10.1503/cmaj.1050222 DP - 2006 Feb 28 TA - Canadian Medical Association Journal PG - 664--664 VI - 174 IP - 5 4099 - http://www.cmaj.ca/content/174/5/664.1.short 4100 - http://www.cmaj.ca/content/174/5/664.1.full SO - CMAJ2006 Feb 28; 174