PT - JOURNAL ARTICLE AU - Erica Weir TI - Mass sociogenic illness AID - 10.1503/cmaj.045027 DP - 2005 Jan 04 TA - Canadian Medical Association Journal PG - 36--36 VI - 172 IP - 1 4099 - http://www.cmaj.ca/content/172/1/36.short 4100 - http://www.cmaj.ca/content/172/1/36.full SO - CMAJ2005 Jan 04; 172