Experimental Visna in Icelandic lambs.
D000818:Animals; D000831:Animals, Newborn; D002552:Cerebral Ventricles / Q000473:pathology; D004679:Encephalomyelitis / Q000473:pathology / Q000662:veterinary*; D007055:Iceland; D012328:RNA Viruses; D012756:Sheep; D012757:Sheep Diseases; D012897:Slow Virus Diseases / Q000473:pathology / Q000662:veterinary*; D014790:Visna-maedi virus