Presence of the transmissible agent of scrapie in the serum of affected mice and rats.
D000818:Animals; D002493:Central Nervous System Diseases / Q000097:blood / Q000662:veterinary*; D051379:Mice; D011328:Prions; D051381:Rats; D012608:Scrapie / Q000097:blood; D012756:Sheep
D011328:Prions