Ahypothesisonpriondisorders:areinfectious,inherited,andspo‐radiccausessodistinct?Brain Res Bul,2006,69 ∶ 95‐.Disease‐associatedprionproteinoligomersi Mol Cel,2007,26 ∶ 175‐.NEngl JMed,2007,357 ∶ 1150‐.Coexistenceofmultiple Pr P Sc typesinindividualswith C ......