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【摘 要】
：
Background It is believed that estrogen plays pivotal roles in the regulation of follicle/oocyte maturation and oocyte fertilizability. It is also involved in
【机 构】
：
Department of Gynecology,Department of Gynecology,Department of Obstetrics and Gynecology,Department
【出 处】
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Chinese Medical Journal
【发表日期】
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2004年04期
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