No abstract available
MeSH terms
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Animals
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Castration*
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Estradiol / administration & dosage*
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Female
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Pregnancy
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Pregnancy, Animal / drug effects*
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Progesterone / administration & dosage*
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Progesterone / blood
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Silicone Elastomers
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Swine
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Tritium
Substances
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Silicone Elastomers
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Tritium
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Progesterone
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Estradiol