No abstract available
MeSH terms
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Anovulation / etiology
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Female
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Gonadotropins, Pituitary / physiology
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Humans
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Menstruation Disturbances / etiology
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Pituitary Hormone-Releasing Hormones / physiology
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Polycystic Ovary Syndrome / etiology
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Reproduction*
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beta-Endorphin / physiology*
Substances
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Gonadotropins, Pituitary
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Pituitary Hormone-Releasing Hormones
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beta-Endorphin