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Nature 418, 808 (22 August 2002) | doi:10.1038/418808a

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Anthrax case provokes doubt among experts

Jonathan Knight & Erika Check

In the FBI's search for whoever mailed anthrax to various US targets last autumn, both the hunter and the hunted are working hard to marshal facts in their favour. In so doing, both have released information of questionable scientific merit, experts say, perhaps shedding more heat than light on the continuing investigation.