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HIV Infections
Sexually Transmitted Diseases
Tuberculosis
Cost Benefit Analysis
Costs and Cost Analysis
Prostitution
Private Sector
Intravenous Substance Abuse
Public Sector
Health Care Costs
Health Care Sector
Developing Countries
Prevalence
Retrospective Studies
Models, Econometric
Models, Economic
South Africa
Tanzania
Africa South of the Sahara
Zimbabwe
Co-Publications
10
6
5
3
2
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