Ward R L, Porter D D, Stevens J G
J Virol. 1974 Nov;14(5):1099-103. doi: 10.1128/JVI.14.5.1099-1103.1974.
The postulated viroid nature of scrapie agent was tested. Since the agent could not be recovered after a carefully controlled phenol extraction of infected mouse brains, it is suggested that this agent is not a viroid.
对羊瘙痒病病原体假定的类病毒性质进行了检测。由于在对感染小鼠脑进行仔细控制的苯酚提取后无法回收该病原体,因此提示该病原体不是类病毒。