L. A. Mathias, A. P. Macmillan, I. Greiser-Wilke, and V. Moennig, “Sensitivity and specificity of a competitive enzyme immunoassay in the serodiagnosis of bovine brucellosis”, Braz. J. Vet. Res. Anim. Sci., vol. 30, no. supl., pp. 205–209, Dec. 1993, doi: 10.11606/issn.1678-4456.bjvras.1993.52033.