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Editorial

Nature 438, 257 (17 November 2005) | doi:10.1038/438257a; Published online 16 November 2005

Will the regulator please stand up

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It's time for the South Korean government to launch an investigation into how eggs were obtained for a ground-breaking stem-cell experiment.

Once again, Seoul National University's Woo Suk Hwang is this week being accused of possible impropriety in allegedly obtaining human eggs for the first experiment to derive human stem cells from a cloned human embryo.His accuser this time is Gerald Schatten of the University of Pittsburgh, a long-time collaborator of Hwang's.