[Visna disease in sheep. A contribution to the problem of granuloma encephalomyelitis of viral origin].
D000818:Animals; D004679:Encephalomyelitis; D006099:Granuloma; D012756:Sheep; D012757:Sheep Diseases; D034561:Sheep, Domestic; D014777:Virus Diseases / Q000662:veterinary*; D016182:Visna
SHEEP/diseases; VIRUS DISEASES/veterinary