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Subjects
- Health Education[remove]507
- China165
- Acquired Immunodeficiency Syndrome -- prevention & control160
- Health Promotion74
- Tuberculosis, Pulmonary -- prevention & control52
- Hotlines30
- Public Health26
- Condoms24
- Acquired Immunodeficiency Syndrome -- transmission23
- HIV Infections -- prevention & control23
- Health Knowledge, Attitudes, Practice22
- Safe Sex21
- World Health Organization21
- Child17
- Hygiene17
- USSR17
- Family Planning Policy14
- Malaria -- prevention & control14
- Acquired Immunodeficiency Syndrome13
- Needle Sharing11