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Emergency Medical Services
Emergency Service, Hospital
Philadelphia
United States
Pennsylvania
Prospective Studies
Retrospective Studies
Emergency Medical Service Communication Systems
Efficiency, Organizational
Urban Population
Transportation of Patients
Emergency Medical Technicians
Disaster Planning
Treatment Refusal
Travel
Violence
Travel Medicine
Outcome Assessment (Health Care)
Hospitals, University
Emergencies
Co-Publications
10
6
3
2
1
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