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Science 16 February 2007:
Vol. 315. no. 5814, p. 930
DOI: 10.1126/science.315.5814.930
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News Focus

CELL BIOLOGY:
A Lonely Crusade

Rhitu Chatterjee

When Walter Nelson-Rees first raised the alarm about cell line contamination in the 1970s, it threw the research community into a frenzy. Now other scientists are taking up his fight (see main text). (Read more.)

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