Gambogenic acid induced mitochondrial-dependent apoptosis and referred to phospho-Erk1/2 and phospho-p 38 MAPK in human hepatoma HepG2 cells - Yan, F; Wang, M; Li, J; Cheng, H; Su, J; Wang, X; Wu, H; Xia, L; Li, X; Chang, H C; Li, Q (Environ Toxicol Pharmacol, 2012)