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Nature 447, 763 (14 June 2007) | doi:10.1038/447763a; Published online 13 June 2007

Stem-cell paper corrected

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Authors say conclusions still valid

The authors of a controversial paper on stem cells publish a correction of their work in this week's issue of Nature (see page 880), but say their overall conclusions still stand.The paper in question, published in 2002, claimed to find evidence for so-called 'multipotent adult progenitor cells', or MAPCs, in mouse bone marrow (Y.