No abstract available
MeSH terms
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Contraceptives, Oral, Synthetic / administration & dosage*
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Contraceptives, Oral, Synthetic / adverse effects
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Dose-Response Relationship, Drug
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Female
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Humans
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Norethindrone / administration & dosage*
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Norethindrone / adverse effects
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Risk Factors
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Venous Thromboembolism / epidemiology*
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Venous Thromboembolism / prevention & control
Substances
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Contraceptives, Oral, Synthetic
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Norethindrone