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Nature 447, 1036-1037 (28 June 2007) | doi:10.1038/4471036a; Published online 27 June 2007

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Cancer atlas maps out sample worries

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Initial wobbles show importance of quality control.

America's National Cancer Institute (NCI) has confirmed that its much-heralded cancer genome atlas is off to a slow start. And scientists say that the obstacles facing the project are just a taste of those that will soon confront all researchers who use large-scale methods to analyse material from tissue banks.