Subject
United States
3
Hospital utilization
2
Information storage and retrieval systems Medicine
2
Medical libraries Government policy
2
AIDS (Disease) Diagnosis
1
Diseases
1
Federal aid to medical research Government policy
1
HIV (Viruses) Identification
1
HIV-positive persons
1
Health counseling
1
Health surveys
1
Hospital care
1
Medical care Utilization
1
Public health Research grants Government policy
1
Research grants
1
Wounds and injuries
1