Comparison of antioxidant activity and extraction techniques for commercially and laboratory prepared extracts from six mushroom species oleh Erica Sharpe, Aiden P. Farragher-Gnadt, Michael Igbanugo, Thomas Huber, John C. Michelotti, Adam Milenkowic, Sylvia Ludlam, Margaret Walker, Douglas Hanes, Ryan Bradley, Fadi Bou-Abdallah