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Nature 439, 519 (2 February 2006) | doi:10.1038/439519a; Published online 1 February 2006

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Stem-cell tagging shows flaws

Helen Pearson

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Trusted labelling technique is called into question.

Biologists have overlooked problems with a decades-old technique for marking cells, warn US researchers. They say their findings call into question some studies of adult stem cells.

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