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Science 12 March 2004:
Vol. 303. no. 5664, p. 1593
DOI: 10.1126/science.303.5664.1593a
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News of the Week

REPRODUCTIVE BIOLOGY:
Textbook Rewrite? Adult Mammals May Produce Eggs After All

Jennifer Couzin

A series of studies on mice has indicated that mouse ovaries harbor a previously undiscovered type of stem cell that can form new eggs through adulthood.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)