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Emergency Service, Hospital
Hospitals, County
Prospective Studies
Hospital Costs
500 and over Hospital Bed Capacity
Odds Ratio
Quality of Life
Cohort Studies
Analysis of Variance
Asthma
Acute Disease
Carbon Monoxide Poisoning
Myocardial Infarction
Electrocardiography
Hospitalization
Hyperbaric Oxygenation
Chicago
Illinois
Teaching Hospitals
Methylprednisolone Hemisuccinate
Co-Publications
7
5
4
3
2
1
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