Concerned about scrapie.
Marshall
V
V
D000818:Animals; D001927:Brain Diseases / Q000517:prevention & control / Q000662:veterinary*; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D012608:Scrapie / Q000517:prevention & control*; D012756:Sheep; D012897:Slow Virus Diseases / Q000517:prevention & control / Q000662:veterinary*; D014481:United States