Poester FP, Ramos ET, Gomes MJP, Chiminazzo C, Schurig G. The serological response of adult cattle after vaccination with Brucella abortus strain 19 and RB51. Braz. J. Vet. Res. Anim. Sci. 2000;37(1):61-64. doi:10.1590/S1413-95962000000100010