• Kyodo, Staff Report

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A government-affiliated laboratory said Tuesday it is considering retracting a research paper on a trailblazing method to create stem cells that drew global attention after one of the co-authors said the paper should be withdrawn until certain aspects are confirmed.

Questions have been raised about images and wording used in the paper, which was written by a group led by Haruko Obokata at Riken’s Center for Developmental Biology on a method the group named “stimulus-triggered acquisition of pluripotency,” or STAP.

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