Man and his anxiety: psychiatric emergencies at Expo '67.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001007:Anxiety; D002170:Canada; D002648:Child; D002675:Child, Preschool; D004632:Emergency Medical Services; D005085:Exhibitions as Topic; D005260:Female; D006769:Hospitals, General; D006801:Humans; D007223:Infant; D008297:Male; D008605:Mental Health Services; D008875:Middle Aged