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Harvard stem cell paper retracted

By Carolyn Y. Johnson

 |  Globe Staff  

  December 27, 2011

A paper in the journal Blood that was called into question last year after Harvard stem cell scientist Amy Wagers reviewed the work and discovered “serious concerns” with the data has been retracted. The retraction, like another published last year, was not signed by the lead author, Shane R. Mayack, a researcher who worked in Wagers’ laboratory and “who maintains that the results are valid,” according to the retraction.

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