Under attack.
D000821:Animal Feed; D000900:Anti-Bacterial Agents; D004054:Diethylstilbestrol; D004338:Drug Combinations; D004345:Drug Industry; D004467:Economics; D005503:Food Additives; D007880:Legislation, Drug; D007886:Legislation, Veterinary; D008460:Meat / Q000032:analysis; D014481:United States; D014486:United States Food and Drug Administration
D000900:Anti-Bacterial Agents; D004338:Drug Combinations; D005503:Food Additives; D004054:Diethylstilbestrol