Availability and selection of drugs.
D000818:Animals; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D004347:Drug Interactions; D007880:Legislation, Drug; D007886:Legislation, Veterinary; D014481:United States
D000900:Anti-Bacterial Agents