7Olafson. p. et al. An apparently new transmissible disease of cattle.Comell Vet. 1946,36:205-213
8Jones, LR. Genetic typing of bovine viral diarrhea virus isolates from Argentina. Veterinary Microbiology,2001,81(4) :367-375
9Tajima, M. et al. Prevalence of genotypes 1 and 2 of bovine viral diarrhea virus in Lower Saxony, Germany. Virus Research, 2001,76(1):31-42
10Uruno K. et al. Detection of bovine viral diarrhea virus (BVDV)using reverse transcription polymerase chain reaction assay. Journal of Veterinary Medical Science, 1998,60(7):860-870