TY - JOUR T1 - Mass sociogenic illness JF - Canadian Medical Association Journal JO - CMAJ SP - 36 LP - 36 DO - 10.1503/cmaj.045027 VL - 172 IS - 1 AU - Erica Weir Y1 - 2005/01/04 UR - http://www.cmaj.ca/content/172/1/36.abstract N2 - ER -