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Prospective Studies
Cohort Studies
Probability
Emergency Service, Hospital
Emergency Medical Services
Outcome Assessment (Health Care)
Travel
Myocardial Infarction
Chest Pain
Myocardial Ischemia
Coronary Artery Disease
Cardiology Service, Hospital
Transportation of Patients
Heart Function Tests
Heart Catheterization
Exercise Test
Hospitalization
Philadelphia
Aircraft
Decision Making
Co-Publications
3
2
1
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