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Emergency Service, Hospital
Hospitals, Urban
HIV Infections
Human Influenza
Community-Acquired Infections
United States
Baltimore
Mass Screening
AIDS Serodiagnosis
Polymerase Chain Reaction
Population Surveillance
Health Care Surveys
Cross-Sectional Studies
Sensitivity and Specificity
Practice Guidelines as Topic
Time Factors
DNA, Bacterial
16S Ribosomal RNA
Emergency Medicine
Young Adult
Co-Publications
40
31
25
16
9
8
7
6
5
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