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Emergency Service, Hospital
Emergency Medical Services
Prospective Studies
Predictive Value of Tests
Cohort Studies
Risk Factors
Logistic Models
Survival Rate
Cross-Sectional Studies
Videotape Recording
New York City
Heart Arrest
Chest Pain
Substance-Related Disorders
Myocardial Infarction
Cocaine
Cardiopulmonary Resuscitation
Patient Education as Topic
Emergencies
Data Collection
Co-Publications
23
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5
4
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