Li, J.-M., W.-Y. Li, M.-Y. Huang, and X.-Q. Zhang. “Fisetin, a Dietary Flavonoid Induces Apoptosis via Modulating the MAPK and PI3K/Akt Signalling Pathways in Human Osteosarcoma (U-2 OS) Cells”. Bangladesh Journal of Pharmacology, vol. 10, no. 4, Oct. 2015, pp. 820-9, doi:10.3329/bjp.v10i4.23039.