Nature of the Scrapie Agent: Evidence Against a Viroid |
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| Authors: | Richard L. Ward David D. Porter Jack G. Stevens |
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| Affiliation: | Department of Microbiology and Immunology, Department of Pathology, and the Reed Neurological Research Center School of Medicine, University of California, Los Angeles, California 90024 |
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| Abstract: | 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. |
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