Assertion: amputation | /r/HasProperty | performed above knee
Facets:
Source sentences:
text: It is usually possible before the operation (although not always) for the surgeon to decide at what level the amputation will be performed (above knee or below knee).
text: Over 36,000 people had amputations performed above the knee.
text: Close to 40,000 of these individuals had amputations performed below the knee.