No abstract available
MeSH terms
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Animals
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Austria
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Cattle
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Contraceptives, Oral / history*
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Contraceptives, Oral, Hormonal / history
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Contraceptives, Oral, Synthetic / history
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Female
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France
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Germany
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History, 19th Century
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History, 20th Century
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Humans
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Ovary / physiology
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Pregnancy
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Rats
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Research / history
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Switzerland
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United States
Substances
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Contraceptives, Oral
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Contraceptives, Oral, Hormonal
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Contraceptives, Oral, Synthetic