Assertion: steroid's protein | /r/CapableOf | facilitate steroid entry
Facets:
value: into target tissues
type: TRANSITIVE-OBJECT
value: in some cases
type: TEMPORAL
Source sentences:
text: The " free fraction " (1-10% of total plasma concentration) is usually considered to represent the biologically active fraction (i.e. hormone that is directly available for action), although this idea has been challenged by recent evidence that, in some cases at least, the specific binding proteins may facilitate steroid entry into target tissues.