title: Effect of reduced dosages of Brucella abortus strain 19 in cattle vaccinated as yearlings.
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis*; D002004:Brucella Vaccine / Q000276:immunology*; D002003:Brucella abortus / Q000276:immunology*; D002007:Brucellosis, Bovine / Q000517:prevention & control*; D002417:Cattle / Q000276:immunology*; D004306:Dose-Response Relationship, Immunologic; D014611:Vaccination
chemical_list: D000907:Antibodies, Bacterial; D002004:Brucella Vaccine