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Subjects
- United States2
- Adolescent1
- Attitude1
- Child1
- Colombia1
- Community Health Services1
- Community Health Services -- organization & administration1
- Community Health Services -- trends1
- Community Health Workers1
- Contraception -- methods1
- Dissection1
- Education, Medical1
- Environment1
- Environmental Pollution1
- Family Planning Services1
- Fertilization -- physiology1
- Harm Reduction1
- Health Education1
- Health Services Accessibility1
- Interview, Psychological -- methods1