Epidemic hysteria in a Montreal train station.
D000293:Adolescent; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D005517:Foodborne Diseases / Q000175:diagnosis; D006801:Humans; D007046:Hysteria / Q000175:diagnosis*; D008297:Male; D008399:Mass Behavior; D000297:Psychology, Adolescent