Epidemiology and public policy: pro- and anti-biotic.
D000821:Animal Feed; D000818:Animals; D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D004813:Epidemiology; D006801:Humans; D007886:Legislation, Veterinary; D011640:Public Policy; D012481:Salmonella Infections, Animal / Q000188:drug therapy; D014481:United States
D000900:Anti-Bacterial Agents