TY - GEN AU - BERMAN,D T AU - BEACH,B A AU - IRWIN,M R TI - Studies on repeated vaccination of cattle with Brucella abortus strain 19. III. The response of vaccinated and revaccinated cattle to conjunctival exposure with a virulent strain of Brucella abortus during the third gestation period SN - 0002-9645 PY - 2003///0501 KW - Animals KW - Brucella abortus KW - Brucellosis KW - prevention & control KW - Cattle KW - Immunization, Secondary KW - Vaccination N1 - Publication Type: Journal Article ER -