title: Visna-maedi virus infection in cell cultures and in laboratory animals.
mesh_terms: D000818:Animals; D000830:Animals, Laboratory; D000917:Antibody Formation; D002459:Cell Fusion; D002831:Choroid Plexus; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D014644:Genetic Variation; D012328:RNA Viruses / Q000254:growth & development*; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology; D012897:Slow Virus Diseases / Q000276:immunology / Q000662:veterinary*; D014790:Visna-maedi virus / Q000254:growth & development* / Q000472:pathogenicity