No abstract available
MeSH terms
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Animals
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Estradiol / pharmacology
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Estrus / drug effects*
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Ethynodiol Diacetate / pharmacology*
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Female
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Fertilization / drug effects*
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Pregnancy
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Progesterone / pharmacology
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Rats
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Sexual Behavior, Animal / drug effects
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Testosterone / pharmacology
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Vaginal Smears
Substances
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Testosterone
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Progesterone
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Estradiol
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Ethynodiol Diacetate