PT - JOURNAL ARTICLE ED - , TI - Editor's preface DP - 1999 Oct 05 TA - Canadian Medical Association Journal PG - 781--781 VI - 161 IP - 7 4099 - http://www.cmaj.ca/content/161/7/781.short 4100 - http://www.cmaj.ca/content/161/7/781.full SO - CMAJ1999 Oct 05; 161