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Victoria
Australia
HIV Infections
Hepatitis C
Chlamydia Infections
Gastroenteritis
Intravenous Substance Abuse
Risk-Taking
Questionnaires
Male Homosexuality
Sexual Behavior
Health Knowledge, Attitudes, Practice
Young Adult
Hepacivirus
Sexual Partners
Risk Factors
Prevalence
Cross-Sectional Studies
Cohort Studies
Population Surveillance
Co-Publications
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