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Nature 436, 760 (11 August 2005) | doi:10.1038/436760a; Published online 10 August 2005
Four years on, no transgenes found in Mexican maize
Emma Marris
Four years ago, the discovery of transgenes from genetically modified (GM) crops in traditional maize varieties in Oaxaca, Mexico, triggered an almighty row. A new survey suggests that measures taken since then to purge the crops of transgenes have been effective.
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