No abstract available
MeSH terms
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Acne Vulgaris / epidemiology*
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Adolescent
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Adolescent Behavior*
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Contraception Behavior*
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Contraceptive Agents, Female / pharmacology*
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Contraceptives, Oral, Combined / pharmacology*
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Female
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Humans
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Incidence
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Informed Consent*
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Sexual Behavior*
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United States / epidemiology
Substances
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Contraceptive Agents, Female
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Contraceptives, Oral, Combined