PT - JOURNAL ARTICLE AU - Neil Johnson AU - Myrella T. Roy TI - Adverse events: past and future AID - 10.1503/cmaj.1040721 DP - 2004 Sep 14 TA - Canadian Medical Association Journal PG - 549--550 VI - 171 IP - 6 4099 - http://www.cmaj.ca/content/171/6/549.3.short 4100 - http://www.cmaj.ca/content/171/6/549.3.full SO - CMAJ2004 Sep 14; 171