PT - JOURNAL ARTICLE ED - , TI - Editor's preface DP - 1999 Dec 14 TA - Canadian Medical Association Journal PG - 1477--1477 VI - 161 IP - 12 4099 - http://www.cmaj.ca/content/161/12/1477.short 4100 - http://www.cmaj.ca/content/161/12/1477.full SO - CMAJ1999 Dec 14; 161