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.
BERMAN
D T
DT
BEACH
B A
BA
IRWIN
M R
MR
D000818:Animals; D002003:Brucella abortus; D002006:Brucellosis / Q000517:prevention & control*; D002417:Cattle; D007117:Immunization, Secondary; D014611:Vaccination