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Netherlands
Chlamydia trachomatis
Human Herpesvirus 2
Sexual Partners
Sexual Behavior
Male Homosexuality
Herpes Genitalis
Chlamydia Infections
HIV Infections
Sexually Transmitted Diseases
Lymphogranuloma Venereum
Gonorrhea
Proctitis
Papillomavirus Infections
Prevalence
Incidence
Retrospective Studies
Risk Factors
Cohort Studies
Polymerase Chain Reaction
Co-Publications
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