title: Proceedings: The visna provirus and slow virus disease.
mesh_terms: D000818:Animals; D008242:Lysogeny; D012328:RNA Viruses; D012756:Sheep; D012897:Slow Virus Diseases / Q000209:etiology*; D014779:Virus Replication; D014790:Visna-maedi virus / Q000201:enzymology / Q000254:growth & development