pituitary
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星期三, 13 1月 2010 15:45
Pituitary and Ovarian Hormones
J.B. Brown D.Sc. Ph.D.
Ovulation - the release of an ovum by the ovary - is the most important event of the fertile cycle; it occurs only once at a moment in time during the cycle, even when more than one ovum is released.
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医护健康专业人员
