Retraction Notice to “Physcion 8-O-β-glucopyranoside induces apoptosis, suppresses invasion and inhibits epithelial to mesenchymal transition of hepatocellular carcinoma HepG2 cells of hepatocellular carcinoma HepG2 cells” [Biomedicine & Pharmacotherapy 83 (2016) 372–380] - Retraction Notice | RetractBase