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Alabama
United States
African Americans
Chlamydia trachomatis
Sexual Partners
Sexually Transmitted Diseases
Chlamydia Infections
Gonorrhea
HIV Infections
Sexual Behavior
Adolescent Behavior
Condoms
Risk-Taking
Safe Sex
Questionnaires
Health Knowledge, Attitudes, Practice
Pregnancy in Adolescence
Risk Factors
Cross-Sectional Studies
Prevalence
Co-Publications
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