title: Persistent serological titres following reduced dose Brucella abortus strain 19 vaccination.
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis*; D002004:Brucella Vaccine / Q000008:administration & dosage / Q000276:immunology*; D002003:Brucella abortus / Q000276:immunology*; D002417:Cattle / Q000276:immunology*; D003168:Complement Fixation Tests; D005260:Female; D011247:Pregnancy; D013997:Time Factors; D014611:Vaccination / Q000662:veterinary
chemical_list: D000907:Antibodies, Bacterial; D002004:Brucella Vaccine