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Science 31 March 2006:
Vol. 311. no. 5769, p. 1850
DOI: 10.1126/science.311.5769.1850b
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News of the Week

STEM CELLS:
Versatile Sperm Cells May Offer Alternative to Embryos

Constance Holden

Scientists in Germany reported last week that, in mice, they have succeeded in turning sperm precursor cells into cells with many of the characteristics of embryonic stem cells. (Read more.)

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