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Pelvic Inflammatory Disease
Vaginosis, Bacterial
Chlamydia Infections
Endometritis
Sexually Transmitted Diseases
Gonorrhea
Genital Diseases, Female
Chlamydia trachomatis
Neisseria gonorrhoeae
Pennsylvania
Pregnancy
Vagina
Risk Factors
Logistic Models
Cross-Sectional Studies
Sensitivity and Specificity
Cohort Studies
Anti-Bacterial Agents
Vaginal Smears
Polymerase Chain Reaction
Co-Publications
15
14
12
10
7
6
5
4
3
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