No abstract available
MeSH terms
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Adolescent
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Adult
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Case-Control Studies
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Contraceptives, Oral, Synthetic / adverse effects*
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Desogestrel / adverse effects
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Female
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Humans
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Middle Aged
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Netherlands / epidemiology
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Norpregnenes / adverse effects
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Risk Factors
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Sinus Thrombosis, Intracranial / chemically induced*
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Sinus Thrombosis, Intracranial / epidemiology
Substances
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Contraceptives, Oral, Synthetic
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Norpregnenes
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Gestodene
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Desogestrel