Assertion: prion's number | /r/CapableOf | decline to estimated 900 grafts
Facets:
value: in 2002
type: TEMPORAL
value: after the committee's recommendation
type: TEMPORAL
value: from about 4500 grafts
type: OTHER
Source sentences:
text: After the committee's recommendation, the number of dural grafts distributed for use in the United States declined to an estimated 900 grafts in 2002 from about 4500 grafts in 1997 (24).