Soares, Larice Bruna Ferreira, et al. “Occurrence of Bovine Viral Diarrhea (BVDV) and Bovine Infectious Rhinotracheitis (IBR) Virus Infections in Buffaloes in Pernambuco State - Brazil”. Acta Scientiae Veterinariae, vol. 45, no. 1, Jan. 2017, p. 8, doi:10.22456/1679-9216.80181.