title: Do we need another brucellosis vaccine?
mesh_terms: D000818:Animals; D002004:Brucella Vaccine / Q000009:adverse effects / Q000627:therapeutic use*; D002007:Brucellosis, Bovine / Q000517:prevention & control*; D002417:Cattle; D014481:United States
chemical_list: D002004:Brucella Vaccine