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Stem cells

Japanese investigation of stem cell research finds errors but no fraud so far

Officials from the prestigious RIKEN research institute in Japan disclosed the interim results of its investigation into controversial stem cell papers Friday, acknowledging serious problems with the research but no evidence so far of outright fraud. Three RIKEN scientists have now agreed to consider a retraction, in addition to a prominent Japanese scientist and senior author of one of the papers who earlier this week called for the papers to be withdrawn.

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