FDA investigators respond to mad cow emergency.
Bren
Linda
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D000821:Animal Feed; D000818:Animals; D002417:Cattle; D016643:Encephalopathy, Bovine Spongiform / Q000517:prevention & control*; D008460:Meat; D008462:Meat-Packing Industry; D014481:United States; D014486:United States Food and Drug Administration