The causal agent of scrapie. I. Extraction of the agent from infected sheep tissue.
D000818:Animals; D001921:Brain / Q000382:microbiology*; D004403:Dysentery / Q000662:veterinary*; D010283:Paratuberculosis / Q000662:veterinary*; D012608:Scrapie; D012756:Sheep; D012757:Sheep Diseases; D034561:Sheep, Domestic
BRAIN/microbiology; DYSENTERY/veterinary; PARATUBERCULOSIS/veterinary; SHEEP/diseases