No abstract available
MeSH terms
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Advertising
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Clinical Trials as Topic
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Contraceptives, Oral / pharmacology*
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Ethinyl Estradiol / pharmacology*
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Ethynodiol Diacetate / pharmacology*
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Legislation, Drug
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United Kingdom
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United States
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United States Food and Drug Administration*
Substances
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Contraceptives, Oral
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Ethinyl Estradiol
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Ethynodiol Diacetate