Hopkinson, M F An immunodiffusion test for detection of bovine viral diarrhea virus antibodies in bovine serum. [electronic resource] - American journal of veterinary research Aug 1979 - 1189-91 p. digital Publication Type: Journal Article ISSN: 0002-9645 Subjects--Topical Terms: AnimalsAntibodies, Viral--analysisAntigens, Viral--analysisBovine Virus Diarrhea-Mucosal Disease--bloodCattleCattle Diseases--immunologyDiarrhea Viruses, Bovine Viral--immunologyImmunodiffusion--veterinaryNeutralization TestsRNA Viruses--immunology