No abstract available
MeSH terms
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Contraceptive Agents, Female / chemistry
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Female
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Humans
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Intrauterine Devices, Copper*
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Laser-Doppler Flowmetry / methods*
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Levonorgestrel / chemistry*
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Regional Blood Flow
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Ultrasonography
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Uterus / blood supply*
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Uterus / diagnostic imaging*
Substances
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Contraceptive Agents, Female
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Levonorgestrel