Assertion: prion | /r/Causes | t
Facets:
value: in different species
type: OTHER
Source sentences:
text: Prions causing TSEs in different species and in some instances different disease phenotypes in the same species can be distinguished by several laboratory methods, indicating the existence of different prion strains (13, 61).
text: Whether prions cause TSEs or are the result of infection with another agent such as a virus is a matter of debate by a minority of scientists.