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Subjects
- HIV18
- HIV Antibodies1
- HIV Infections -- diagnosis1
- HIV Infections -- prevention & control4
- HIV Seropositivity2
- Hand Disinfection1
- Head and Neck Neoplasms -- etiology1
- Health Behavior6
- Health Education8
- Health Expenditures1
- Health Knowledge, Attitudes, Practice7
- Health Promotion18
- Health Risk Behaviors4
- Health Services for the Aged1
- Heart Diseases -- prevention & control2
- Hemorrhage -- therapy1
- Heroin -- adverse effects1
- Heroin Dependence -- prevention & control1
- Herpes Genitalis1
- Herpesviridae1