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Liu, Jun; Jia, Liang; Kan, Juan; Jin, Chang-hai . (2013). In vitro and in vivo antioxidant activity of ethanolic extract of white button mushroom (Agaricus bisporus). Food and Chemical Toxicology, 51(), 310–316. doi:10.1016/j.fct.2012.10.014 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research