Pérez SE, Verna AE, Leunda MR, et al. Occurrence of bovine herpesvirus type 4 DNA in Argentinean Holstein cattle from Santiago del Estero, Argentina. Braz. J. Vet. Res. Anim. Sci. 2011;48(6):454-463. doi:10.11606/S1413-95962011000600003