title: Characterization of bovine viral diarrhea viruses. I. Determination of buoyant density.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D003720:Densitometry; D014713:Viruses, Unclassified