title: The effect of reduced-dose Brucella abortus strain 19 vaccination in accredited dairy herds.
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis; D002004:Brucella Vaccine / Q000008:administration & dosage / Q000276:immunology*; D002007:Brucellosis, Bovine / Q000517:prevention & control*; D002417:Cattle; D003168:Complement Fixation Tests; D005260:Female; D014611:Vaccination / Q000662:veterinary*
chemical_list: D000907:Antibodies, Bacterial; D002004:Brucella Vaccine