Khalid Saeed, M., M. Naeem Khan, Ijaz Ahmad, Naqi Hussain, Sakhawat Ali, Yulin Deng, and Rongji Dai. 2012. “Isolation, Identification and Antioxidant Potential of Major Flavonoids from Ethyl Acetate Fraction of Torreya Grandis”. Asian Journal of Chemistry 25 (5):2459-64. https://doi.org/10.14233/ajchem.2013.13401.