title: FDA announces expanded safeguards against mad cow disease.
mesh_terms: D000821:Animal Feed / Q000592:standards; D000818:Animals; D002417:Cattle; D003132:Commerce; D016643:Encephalopathy, Bovine Spongiform / Q000517:prevention & control*; D005506:Food Contamination; D006801:Humans; D008460:Meat / Q000592:standards*; D011159:Population Surveillance; D011640:Public Policy; D014481:United States; D014486:United States Food and Drug Administration