Assertion: vitamin e | /r/HasProperty | useful
Facets:
value: after surgery
type: TEMPORAL
value: in preventing blood clots
type: PURPOSE
Source sentences:
text: Vitamin E is also useful in preventing blood clots from forming.
text: To assist in healing and minimize clotting, tocopherol is a useful nutrient before and after surgery, limited to dosages of 200-300 IUs per day.