Psychiatry in a general hospital emergency room.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002641:Chicago; D004636:Emergency Service, Hospital; D005260:Female; D006769:Hospitals, General; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology*; D008875:Middle Aged; D012494:Sampling Studies