Another caveat is that a permanent reimbursement code for Medicare will not be forthcoming until January 2013.

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Instead of labels, GenVault puts a tiny bit of unique rice DNA into each human cell sample, a sort of permanent bar code for the samples.

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Donald saw some benefit in the decision by Congress to make most of the tax code permanent, largely ending its recent practice of temporarily extending big chunks of the law a year or two at a time.

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