No abstract available
MeSH terms
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Contraceptive Agents*
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Contraceptives, Oral*
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Drug Therapy*
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Endometriosis*
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Ethinyl Estradiol*
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Female
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Genital Diseases, Female*
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Humans
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Megestrol*
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Menstruation Disturbances*
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Progestins*
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Toxicology*
Substances
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Contraceptive Agents
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Contraceptives, Oral
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Progestins
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Ethinyl Estradiol
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Megestrol