[On the duration of retention of reaction in cattle vaccinated with strain 19].
D000372:Agglutination Tests; D000818:Animals; D002004:Brucella Vaccine; D002007:Brucellosis, Bovine / Q000517:prevention & control*; D002417:Cattle; D003168:Complement Fixation Tests; D013997:Time Factors; D014611:Vaccination
D002004:Brucella Vaccine
O dlitel'nosti sokhraneniia reaktsiĭ u krupnogo rogatogo skota, vaktsinirovannogo shtammom 19.