Emergency room utilization at Hermann hospital.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004630:Emergencies; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005260:Female; D006764:Hospitals, Community; D006801:Humans; D008297:Male; D008875:Middle Aged; D011320:Primary Health Care; D013781:Texas; D014600:Utilization Review