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Essay
Nature 434, 145 (10 March 2005) | doi:10.1038/434145a; Published online 23 March 2005
Concept Eggs alone
Ann A. Kiessling1
- Ann A. Kiessling is at the Harvard Institutes of Medicine, 4 Blackfan Circle, Boston, Massachusetts 02115, USA.
Eggs are enormous cells in a state of arrested expectancy. Before the advent of assisted reproductive technologies, human eggs played out their fate in the privacy of the ovary, fallopian tubes and uterus.
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