M. F. Camargos, D. Stancek, L. M. Lessa, J. K. P. Reis, M. A. Rocha, and R. C. Leite, “Development of a polymerase chain reaction and its comparison with agar gel immunodiffusion test in the detection of bovine leukemia virus infection”, Braz. J. Vet. Res. Anim. Sci., vol. 40, no. 5, pp. 341–348, Jan. 2003, doi: 10.1590/S1413-95962003000500005.