Junqueira, J. R. C., Freitas, J. C. de, Alfieri, A. F., & Alfieri, A. A. (2006). Reproductive performance evaluation of a beef cattle herd naturally infected with the BoHV-1, BVDV and Leptospira hardjo. Semina: Ciências Agrárias, 27(3), 471–480. https://doi.org/10.5433/1679-0359.2006v27n3p471