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HIV Infections
Acquired Immunodeficiency Syndrome
Sexually Transmitted Diseases
Cohort Studies
Risk Factors
Cross-Sectional Studies
Prevalence
HIV-1
Young Adult
China
HIV Seropositivity
CD4 Lymphocyte Count
Highly Active Antiretroviral Therapy
CD4-Positive T-Lymphocytes
Disease Progression
Male Homosexuality
Sexual Behavior
Homosexuality
Prostitution
RNA, Viral
Co-Publications
49
46
39
36
34
22
18
17
16
15
14
13
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