Assertion: vitamin e | /r/HasProperty | yusuf et al 2000
Facets:
Source sentences:
text: vitamin E (Yusuf et al 2000), the Primary Prevention Study using 300 mg/day synthetic a-tocopherol (Collaborative group of the Primary Prevention Study 2001) and the Heart Protection Study with 600 mg of vitamin E (Heart Protection Study Collaborative Group, 2002).